1 /* $OpenBSD: sdhcvar.h,v 1.17 2023/04/19 02:01:02 dlg 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 u_int sc_clkbase; 32 33 bus_dma_tag_t sc_dmat; 34 bus_size_t sc_dma_boundary; 35 36 void (*sc_bus_clock_pre)(struct sdhc_softc *, int, int); 37 void (*sc_bus_clock_post)(struct sdhc_softc *, int, int); 38 int (*sc_card_detect)(struct sdhc_softc *); 39 int (*sc_signal_voltage)(struct sdhc_softc *, int); 40 }; 41 42 /* Host controller functions called by the attachment driver. */ 43 int sdhc_host_found(struct sdhc_softc *, bus_space_tag_t, 44 bus_space_handle_t, bus_size_t, int, uint64_t, uint64_t); 45 int sdhc_activate(struct device *, int); 46 void sdhc_shutdown(void *); 47 int sdhc_intr(void *); 48 49 void sdhc_needs_discover(struct sdhc_softc *); 50 51 /* flag values */ 52 #define SDHC_F_NOPWR0 (1 << 0) 53 #define SDHC_F_NONREMOVABLE (1 << 1) 54 #define SDHC_F_32BIT_ACCESS (1 << 2) 55 #define SDHC_F_NO_HS_BIT (1 << 3) 56 57 #endif 58