1 /* $NetBSD: imxspivar.h,v 1.3 2019/09/27 02:59:21 hkenken Exp $ */ 2 3 /* 4 * Copyright (c) 2014 Genetec Corporation. All rights reserved. 5 * Written by Hashimoto Kenichi for Genetec Corporation. 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 GENETEC CORPORATION ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _ARM_IMX_IMXSPIVAR_H_ 30 #define _ARM_IMX_IMXSPIVAR_H_ 31 32 #include <dev/spi/spivar.h> 33 34 typedef struct spi_chipset_tag { 35 void *cookie; 36 37 int (*spi_cs_enable)(void *, int); 38 int (*spi_cs_disable)(void *, int); 39 } *spi_chipset_tag_t; 40 41 enum imxspi_type { 42 IMX31_CSPI, 43 IMX35_CSPI, 44 IMX51_ECSPI, 45 }; 46 47 struct imxspi_softc { 48 device_t sc_dev; 49 int sc_phandle; 50 51 bus_space_tag_t sc_iot; 52 bus_space_handle_t sc_ioh; 53 spi_chipset_tag_t sc_tag; 54 55 struct spi_controller sc_spi; 56 unsigned long sc_freq; 57 struct spi_chunk *sc_wchunk; 58 struct spi_chunk *sc_rchunk; 59 void *sc_ih; 60 struct spi_transfer *sc_transfer; 61 bool sc_running; 62 SIMPLEQ_HEAD(,spi_transfer) sc_q; 63 64 int sc_nslaves; 65 int sc_enhanced; 66 enum imxspi_type sc_type; 67 }; 68 69 int imxspi_attach_common(device_t); 70 int imxspi_intr(void *); 71 72 /* 73 * defined in machine dependent code 74 */ 75 int imxspi_match(device_t, cfdata_t, void *); 76 void imxspi_attach(device_t, device_t, void *); 77 78 #endif /* _ARM_IMX_IMXSPIVAR_H_ */ 79