/* $OpenBSD: sdhcvar.h,v 1.3 2007/09/06 08:01:01 jsg Exp $ */ /* * Copyright (c) 2006 Uwe Stuehler * Copyright (c) 2009 Sven Peter * * 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" #ifdef CAN_HAZ_IPC #include "ipc.h" #endif #define SDHC_MAX_HOSTS 4 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 */ int data_command; }; struct sdhc_softc { struct device sc_dev; 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_exit(void); void sdhc_irq(void); #ifdef CAN_HAZ_IPC void sdhc_ipc(volatile ipc_request *req); #endif /* flag values */ #define SDHC_F_NOPWR0 (1 << 0) #endif