superio.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause
    3  *
    4  * Copyright (c) 2019 Andriy Gapon
    5  *
    6  * Redistribution and use in source and binary forms, with or without
    7  * modification, are permitted provided that the following conditions
    8  * are met:
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   25  * SUCH DAMAGE.
   26  *
   27  * $FreeBSD$
   28  */
   29 
   30 #ifndef SUPERIO_H
   31 #define SUPERIO_H
   32 
   33 typedef enum superio_vendor {
   34         SUPERIO_VENDOR_NONE,
   35         SUPERIO_VENDOR_ITE,
   36         SUPERIO_VENDOR_NUVOTON,
   37         SUPERIO_VENDOR_FINTEK,
   38         SUPERIO_VENDOR_MAX
   39 } superio_vendor_t;
   40 
   41 typedef enum superio_dev_type {
   42         SUPERIO_DEV_NONE,
   43         SUPERIO_DEV_HWM,
   44         SUPERIO_DEV_WDT,
   45         SUPERIO_DEV_GPIO,
   46         SUPERIO_DEV_MAX
   47 } superio_dev_type_t;
   48 
   49 superio_vendor_t superio_vendor(device_t dev);
   50 uint16_t superio_devid(device_t dev);
   51 uint8_t superio_revid(device_t dev);
   52 uint8_t superio_read(device_t dev, uint8_t reg);
   53 void superio_write(device_t dev, uint8_t reg, uint8_t val);
   54 bool superio_dev_enabled(device_t dev, uint8_t mask);
   55 void superio_dev_enable(device_t dev, uint8_t mask);
   56 void superio_dev_disable(device_t dev, uint8_t mask);
   57 
   58 device_t superio_find_dev(device_t superio, superio_dev_type_t type,
   59     int ldn);
   60 
   61 enum superio_ivars {
   62         SUPERIO_IVAR_LDN =      10600,
   63         SUPERIO_IVAR_TYPE,
   64         SUPERIO_IVAR_IOBASE,
   65         SUPERIO_IVAR_IOBASE2,
   66         SUPERIO_IVAR_IRQ,
   67         SUPERIO_IVAR_DMA
   68 };
   69 
   70 #define SUPERIO_ACCESSOR(var, ivar, type)                               \
   71         __BUS_ACCESSOR(superio, var, SUPERIO, ivar, type)
   72 
   73 SUPERIO_ACCESSOR(ldn,           LDN,            uint8_t)
   74 SUPERIO_ACCESSOR(type,          TYPE,           superio_dev_type_t)
   75 SUPERIO_ACCESSOR(iobase,        IOBASE,         uint16_t)
   76 SUPERIO_ACCESSOR(iobase2,       IOBASE2,        uint16_t)
   77 SUPERIO_ACCESSOR(irq,           IRQ,            uint8_t)
   78 SUPERIO_ACCESSOR(dma,           DMA,            uint8_t)
   79 
   80 #undef SUPERIO_ACCESSOR
   81 
   82 #endif /*SUPERIO_H*/

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FreeBSD/Linux Kernel Cross Reference sys/dev/superio/superio.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/superio/superio.h