146b39c90SWarner Losh /*- 246b39c90SWarner Losh * Copyright (c) 2006 M. Warner Losh 346b39c90SWarner Losh * All rights reserved. 446b39c90SWarner Losh * 546b39c90SWarner Losh * Redistribution and use in source and binary forms, with or without 646b39c90SWarner Losh * modification, are permitted provided that the following conditions 746b39c90SWarner Losh * are met: 846b39c90SWarner Losh * 1. Redistributions of source code must retain the above copyright 946b39c90SWarner Losh * notice, this list of conditions and the following disclaimer. 1046b39c90SWarner Losh * 2. Redistributions in binary form must reproduce the above copyright 1146b39c90SWarner Losh * notice, this list of conditions and the following disclaimer in the 1246b39c90SWarner Losh * documentation and/or other materials provided with the distribution. 1346b39c90SWarner Losh * 1446b39c90SWarner Losh * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1546b39c90SWarner Losh * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1646b39c90SWarner Losh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1746b39c90SWarner Losh * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1846b39c90SWarner Losh * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1946b39c90SWarner Losh * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2046b39c90SWarner Losh * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2146b39c90SWarner Losh * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2246b39c90SWarner Losh * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2346b39c90SWarner Losh * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2446b39c90SWarner Losh * SUCH DAMAGE. 2546b39c90SWarner Losh * 2646b39c90SWarner Losh * $FreeBSD$ 2746b39c90SWarner Losh */ 289a795dfaSWarner Losh 299a795dfaSWarner Losh struct spi_command { 309a795dfaSWarner Losh void *tx_cmd; 319a795dfaSWarner Losh uint32_t tx_cmd_sz; 329a795dfaSWarner Losh void *rx_cmd; 339a795dfaSWarner Losh uint32_t rx_cmd_sz; 349a795dfaSWarner Losh void *tx_data; 359a795dfaSWarner Losh uint32_t tx_data_sz; 369a795dfaSWarner Losh void *rx_data; 379a795dfaSWarner Losh uint32_t rx_data_sz; 389a795dfaSWarner Losh }; 39cc906398SWarner Losh 40*d67fe28bSAdrian Chadd #define SPI_COMMAND_INITIALIZER { 0 } 41*d67fe28bSAdrian Chadd 42cc906398SWarner Losh #define SPI_CHIP_SELECT_HIGH 0x1 /* Chip select high (else low) */ 43