Return to pcf8584var.h CVS log

Up to [local] / sys / dev / ic

Annotation of sys/dev/ic/pcf8584var.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: pcf8584var.h,v 1.4 2007/05/21 03:11:11 jsg Exp $ */
                      2:
                      3: /*
                      4:  * Copyright (c) 2006 David Gwynne <dlg@openbsd.org>
                      5:  *
                      6:  * Permission to use, copy, modify, and distribute this software for any
                      7:  * purpose with or without fee is hereby granted, provided that the above
                      8:  * copyright notice and this permission notice appear in all copies.
                      9:  *
                     10:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
                     11:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
                     12:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
                     13:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
                     14:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
                     15:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
                     16:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
                     17:  */
                     18:
                     19: struct pcfiic_softc {
                     20:        struct device           sc_dev;
                     21:
                     22:        bus_space_tag_t         sc_iot;
                     23:        bus_space_handle_t      sc_ioh;
                     24:        bus_space_handle_t      sc_ioh2;
                     25:        int                     sc_master;
                     26:        u_int8_t                sc_addr;
                     27:        u_int8_t                sc_clock;
                     28:        u_int8_t                sc_regmap[2];
                     29:
                     30:        int                     sc_poll;
                     31:
                     32:        struct i2c_controller   sc_i2c;
                     33:        struct rwlock           sc_lock;
                     34: };
                     35:
                     36: /* clock divisor settings */
                     37: #define PCF_CLOCK_3            0x00 /* 3 MHz */
                     38: #define PCF_CLOCK_4_43         0x10 /* 4.43 MHz */
                     39: #define PCF_CLOCK_6            0x14 /* 6 MHz */
                     40: #define PCF_CLOCK_8            0x18 /* 8 MHz */
                     41: #define PCF_CLOCK_12           0x1c /* 12 MHz */
                     42:
                     43: void   pcfiic_attach(struct pcfiic_softc *, i2c_addr_t, u_int8_t, int,
                     44:            void (*)(struct device *, struct i2cbus_attach_args *, void *),
                     45:            void *);
                     46: int    pcfiic_intr(void *);