spi.h

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    1 /*-
    2  * Copyright (c) 2006 M. Warner Losh
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/12.0/sys/dev/spibus/spi.h 338948 2018-09-26 17:12:14Z imp $
   27  */
   28 
   29 struct spi_command {
   30         void    *tx_cmd;
   31         uint32_t tx_cmd_sz;
   32         void    *rx_cmd;
   33         uint32_t rx_cmd_sz;
   34         void    *tx_data;
   35         uint32_t tx_data_sz;
   36         void    *rx_data;
   37         uint32_t rx_data_sz;
   38 };
   39 
   40 #define SPI_COMMAND_INITIALIZER { 0 }
   41 
   42 #define SPI_CHIP_SELECT_HIGH    0x1             /* Chip select high (else low) */
   43 
   44 #define SPIBUS_PNP_DESCR "Z:compat;P:#;"
   45 #define SPIBUS_PNP_INFO(t) \
   46         MODULE_PNP_INFO(SPIBUS_PNP_DESCR, spibus, t, t, sizeof(t) / sizeof(t[0]));

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FreeBSD/Linux Kernel Cross Reference sys/dev/spibus/spi.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/spibus/spi.h