Home | History | Annotate | Line # | Download | only in ic
dm9000var.h revision 1.1 
      1 /*	$NetBSD: dm9000var.h,v 1.1 2010/09/08 22:01:29 ahoka Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2009 Paul Fleischer
      5  * All rights reserved.
      6  *
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  * 3. The name of the company nor the name of the author may be used to
     13  *    endorse or promote products derived from this software without specific
     14  *    prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19  * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 /* Based on sys/dev/ic/cs89x0var.h */
     30 /*
     31  * Copyright 1997
     32  * Digital Equipment Corporation. All rights reserved.
     33  *
     34  * This software is furnished under license and may be used and
     35  * copied only in accordance with the following terms and conditions.
     36  * Subject to these conditions, you may download, copy, install,
     37  * use, modify and distribute this software in source and/or binary
     38  * form. No title or ownership is transferred hereby.
     39  *
     40  * 1) Any source code used, modified or distributed must reproduce
     41  *    and retain this copyright notice and list of conditions as
     42  *    they appear in the source file.
     43  *
     44  * 2) No right is granted to use any trade name, trademark, or logo of
     45  *    Digital Equipment Corporation. Neither the "Digital Equipment
     46  *    Corporation" name nor any trademark or logo of Digital Equipment
     47  *    Corporation may be used to endorse or promote products derived
     48  *    from this software without the prior written permission of
     49  *    Digital Equipment Corporation.
     50  *
     51  * 3) This software is provided "AS-IS" and any express or implied
     52  *    warranties, including but not limited to, any implied warranties
     53  *    of merchantability, fitness for a particular purpose, or
     54  *    non-infringement are disclaimed. In no event shall DIGITAL be
     55  *    liable for any damages whatsoever, and in particular, DIGITAL
     56  *    shall not be liable for special, indirect, consequential, or
     57  *    incidental damages or damages for lost profits, loss of
     58  *    revenue or loss of use, whether such damages arise in contract,
     59  *    negligence, tort, under statute, in equity, at law or otherwise,
     60  *    even if advised of the possibility of such damage.
     61  */
     62 
     63 #ifndef _DEV_IC_DM9000VAR_H_
     64 #define _DEV_IC_DM9000VAR_H_
     65 
     66 #include <sys/mutex.h>
     67 
     68 #define DM9000_MODE_8BIT 2
     69 #define DM9000_MODE_16BIT 0
     70 #define DM9000_MODE_32BIT 1
     71 
     72 struct dme_softc {
     73 	device_t	sc_dev;		/* Generic Base Device */
     74 
     75 	struct ethercom sc_ethercom;	/* Ethernet common data */
     76 	struct ifmedia	sc_media;	/* Media control structures */
     77 
     78 	bus_space_tag_t		sc_iot;
     79 	bus_space_handle_t	sc_ioh;
     80 	void		*sc_ih;
     81 
     82 	uint		dme_io;
     83 	uint		dme_data;
     84 
     85 	uint16_t	sc_vendor_id;
     86 	uint16_t	sc_product_id;
     87 
     88 	uint16_t	io_mode;
     89 
     90 	uint8_t		sc_enaddr[ETHER_ADDR_LEN];
     91 
     92 	int		txbusy;		/* A packet is being transmitted. */
     93 	int		txready;	/* A packet has been sent to the DM9000
     94 					   for transmission. */
     95 	uint16_t	txready_length;
     96 
     97 #ifdef DIAGNOSTIC
     98 	bool		sc_inside_interrupt;
     99 #endif
    100 };
    101 
    102 /* Function declarations */
    103 int	dme_attach(struct dme_softc *, uint8_t *);
    104 int	dme_detach(struct dme_softc *);
    105 int	dme_intr(void *);
    106 
    107 /* Inline memory access methods */
    108 static inline uint8_t
    109 dme_read(struct dme_softc *sc, int reg)
    110 {
    111 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_io, reg);
    112 	return (bus_space_read_1(sc->sc_iot, sc->sc_ioh, sc->dme_data));
    113 }
    114 
    115 static inline void
    116 dme_write(struct dme_softc *sc, int reg, uint8_t value)
    117 {
    118 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_io, reg);
    119 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_data, value);
    120 }
    121 
    122 static inline void
    123 dme_write2(struct dme_softc *sc, int reg, uint16_t value)
    124 {
    125 	bus_space_write_1(sc->sc_iot, sc->sc_ioh, sc->dme_io, reg);
    126 	bus_space_write_2(sc->sc_iot, sc->sc_ioh, sc->dme_data, value);
    127 }
    128 
    129 static inline void
    130 dme_write_c(struct dme_softc *sc, int reg, uint8_t value[], uint count)
    131 {
    132 	for(int i=0; i<count; i++) {
    133 		dme_write(sc, reg+i, value[i]);
    134 	}
    135 }
    136 
    137 static inline void
    138 dme_read_c(struct dme_softc *sc, int reg, uint8_t *value, uint count)
    139 {
    140 	for(int i=0; i<count; i++) {
    141 		value[i] = dme_read(sc, reg+i);
    142 	}
    143 }
    144 
    145 #endif /* _DEV_IC_DM9000VAR_H_ */
    146 
    147