1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2000 Doug Rabson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _SYS_SPIGENIO_H_ 30 #define _SYS_SPIGENIO_H_ 31 32 #include <sys/_iovec.h> 33 34 struct spigen_transfer { 35 struct iovec st_command; /* master to slave */ 36 struct iovec st_data; /* slave to master and/or master to slave */ 37 }; 38 39 struct spigen_transfer_mmapped { 40 size_t stm_command_length; /* at offset 0 in mmap(2) area */ 41 size_t stm_data_length; /* at offset stm_command_length */ 42 }; 43 44 #define SPIGENIOC_BASE 'S' 45 #define SPIGENIOC_TRANSFER _IOW(SPIGENIOC_BASE, 0, \ 46 struct spigen_transfer) 47 #define SPIGENIOC_TRANSFER_MMAPPED _IOW(SPIGENIOC_BASE, 1, \ 48 struct spigen_transfer_mmapped) 49 #define SPIGENIOC_GET_CLOCK_SPEED _IOR(SPIGENIOC_BASE, 2, uint32_t) 50 #define SPIGENIOC_SET_CLOCK_SPEED _IOW(SPIGENIOC_BASE, 3, uint32_t) 51 #define SPIGENIOC_GET_SPI_MODE _IOR(SPIGENIOC_BASE, 4, uint32_t) 52 #define SPIGENIOC_SET_SPI_MODE _IOW(SPIGENIOC_BASE, 5, uint32_t) 53 54 #endif /* !_SYS_SPIGENIO_H_ */ 55