mini/sdhcvar.h

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/* $OpenBSD: sdhcvar.h,v 1.3 2007/09/06 08:01:01 jsg Exp $ */
/*
* Copyright (c) 2006 Uwe Stuehler <uwe@openbsd.org>
* Copyright (c) 2009 Sven Peter <svenpeter@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _SDHCVAR_H_
#define _SDHCVAR_H_
#include "bsdtypes.h"
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#ifdef CAN_HAZ_IPC
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#include "ipc.h"
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#endif
#define SDHC_MAX_HOSTS 4
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struct sdhc_host {
struct sdhc_softc *sc; /* host controller device */
struct device *sdmmc; /* generic SD/MMC device */
bus_space_tag_t iot; /* host register set tag */
bus_space_handle_t ioh; /* host register set handle */
u_int clkbase; /* base clock frequency in KHz */
int maxblklen; /* maximum block length */
int flags; /* flags for this host */
u_int32_t ocr; /* OCR value from capabilities */
u_int8_t regs[14]; /* host controller state */
u_int16_t intr_status; /* soft interrupt status */
u_int16_t intr_error_status; /* soft error status */
};
struct sdhc_softc {
struct device sc_dev;
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struct sdhc_host sc_host[SDHC_MAX_HOSTS];
int sc_nhosts;
u_int sc_flags;
};
/* Host controller functions called by the attachment driver. */
int sdhc_host_found(struct sdhc_softc *, bus_space_tag_t,
bus_space_handle_t, int);
void sdhc_power(int, void *);
void sdhc_shutdown(void *);
int sdhc_intr(void *);
void sdhc_init(void);
void sdhc_irq(void);
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#ifdef CAN_HAZ_IPC
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void sdhc_ipc(volatile ipc_request *req);
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#endif
/* flag values */
#define SDHC_F_NOPWR0 (1 << 0)
#endif