1/*	$NetBSD: pxa2x0_mci.h,v 1.1 2009/04/21 03:00:29 nonaka Exp $	*/
2
3/*-
4 * Copyright (C) 2006 NONAKA Kimihiro <nonaka@netbsd.org>
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 ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#ifndef	_PXA2X0_MCI_H_
29#define	_PXA2X0_MCI_H_
30
31#include <sys/bus.h>
32#include <sys/device.h>
33#include <sys/mutex.h>
34#include <sys/condvar.h>
35
36#include <arm/xscale/pxa2x0_dmac.h>
37
38struct pxamci_tag {
39	void		*cookie;
40
41	uint32_t	(*get_ocr)(void *);
42	int		(*set_power)(void *, uint32_t);
43	int		(*card_detect)(void *);
44	int		(*write_protect)(void *);
45};
46
47struct pxamci_softc {
48	device_t		sc_dev;
49	bus_space_tag_t		sc_iot;
50	bus_space_handle_t	sc_ioh;
51	void			*sc_ih;
52	device_t		sc_sdmmc;
53
54	struct dmac_xfer	*sc_rxdx;
55	bus_dma_segment_t	sc_rxdr;	/* read descriptor */
56	struct dmac_xfer	*sc_txdx;
57	bus_dma_segment_t	sc_txdr;	/* write descriptor */
58
59	struct pxamci_tag	sc_tag;
60
61	u_int			sc_caps;
62#define	PMC_CAPS_4BIT	(1U << 0)
63#define	PMC_CAPS_NO_DMA	(1U << 1)
64
65	u_int			sc_flags;
66#define	PMF_CARDINITED	(1U << 0)
67
68	struct sdmmc_command * volatile sc_cmd;	/* command in progress */
69
70	uint32_t sc_imask;
71
72	uint32_t sc_ocr;			/* selected OCR */
73	int sc_maxblklen;			/* maximum block length */
74	int sc_buswidth;			/* current bus width */
75
76	u_int sc_clkmin;
77	u_int sc_clkmax;
78	u_int sc_clkbase;
79	uint32_t sc_clkrt;
80};
81
82int	pxamci_attach_sub(device_t, struct pxaip_attach_args *);
83void	pxamci_card_detect_event(struct pxamci_softc *);
84
85#endif	/* _PXA2X0_MCI_H_ */
86