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