Annotation of sys/dev/ic/pcf8584var.h, Revision 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 *);
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