xref: /openbsd-src/sys/dev/sdmmc/sdhcvar.h (revision f2da64fbbbf1b03f09f390ab01267c93dfd77c4c)
1 /*	$OpenBSD: sdhcvar.h,v 1.9 2016/04/30 11:32:23 kettenis Exp $	*/
2 
3 /*
4  * Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #ifndef _SDHCVAR_H_
20 #define _SDHCVAR_H_
21 
22 #include <machine/bus.h>
23 
24 struct sdhc_host;
25 
26 struct sdhc_softc {
27 	struct device sc_dev;
28 	struct sdhc_host **sc_host;
29 	int sc_nhosts;
30 	u_int sc_flags;
31 
32 	bus_dma_tag_t sc_dmat;
33 
34 	int (*sc_card_detect)(struct sdhc_softc *);
35 };
36 
37 /* Host controller functions called by the attachment driver. */
38 int	sdhc_host_found(struct sdhc_softc *, bus_space_tag_t,
39 	    bus_space_handle_t, bus_size_t, int, u_int32_t);
40 int	sdhc_activate(struct device *, int);
41 void	sdhc_shutdown(void *);
42 int	sdhc_intr(void *);
43 
44 void	sdhc_needs_discover(struct sdhc_softc *);
45 
46 /* flag values */
47 #define SDHC_F_NOPWR0		(1 << 0)
48 
49 #endif
50