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
34typedef 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
41enum imxspi_type {
42	IMX31_CSPI,
43	IMX35_CSPI,
44	IMX51_ECSPI,
45};
46
47struct 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
69int imxspi_attach_common(device_t);
70int imxspi_intr(void *);
71
72/*
73 * defined in machine dependent code
74 */
75int imxspi_match(device_t, cfdata_t, void *);
76void imxspi_attach(device_t, device_t, void *);
77
78#endif	/* _ARM_IMX_IMXSPIVAR_H_ */
79