The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/spicvar.h

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    1 /*      $NetBSD: spicvar.h,v 1.9 2022/04/10 09:50:45 andvar Exp $ */
    2 
    3 /*
    4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Lennart Augustsson (lennart@augustsson.net) at
    9  * Carlstedt Research & Technology.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   30  * POSSIBILITY OF SUCH DAMAGE.
   31  */
   32 
   33 /*
   34  * The SPIC is used on some Sony Vaios to handle the jog dial and other
   35  * peripherals.
   36  * The protocol used by the SPIC seems to vary wildly among the different
   37  * models, and I've found no documentation.
   38  * This file handles the jog dial on the SRX77 model, and perhaps nothing
   39  * else.
   40  *
   41  * The general way of talking to the SPIC was gleaned from the Linux and
   42  * FreeBSD drivers.  The hex numbers were taken from these drivers (they
   43  * come from reverse engineering.)
   44  *
   45  * TODO:
   46  *   Make it handle more models.
   47  *   Figure out why the interrupt mode doesn't work.
   48  */
   49 #include <dev/sysmon/sysmonvar.h>
   50 
   51 struct spic_softc {
   52         device_t sc_dev;
   53 
   54         bus_space_tag_t sc_iot;
   55         bus_space_handle_t sc_ioh;
   56 
   57         struct callout sc_poll;
   58 
   59         int sc_buttons;
   60         char sc_enabled;
   61 
   62         device_t sc_wsmousedev;
   63 
   64 #define SPIC_PSWITCH_LID        0
   65 #define SPIC_PSWITCH_SUSPEND    1
   66 #define SPIC_PSWITCH_HIBERNATE  2
   67 #define SPIC_NPSWITCH           3       
   68         struct sysmon_pswitch sc_smpsw[SPIC_NPSWITCH];
   69 };
   70 
   71 void spic_attach(struct spic_softc *);
   72 bool spic_suspend(device_t, const pmf_qual_t *);
   73 bool spic_resume(device_t, const pmf_qual_t *);
   74 
   75 int spic_intr(void *);

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