/* $OpenBSD: sdmmcchip.h,v 1.3 2007/05/31 10:09:01 uwe Exp $ */ /* * Copyright (c) 2006 Uwe Stuehler * * 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 _SDMMC_CHIP_H_ #define _SDMMC_CHIP_H_ struct sdmmc_command; typedef struct sdmmc_chip_functions *sdmmc_chipset_tag_t; typedef void *sdmmc_chipset_handle_t; struct sdmmc_chip_functions { /* host controller reset */ int (*host_reset)(sdmmc_chipset_handle_t); /* host capabilities */ u_int32_t (*host_ocr)(sdmmc_chipset_handle_t); int (*host_maxblklen)(sdmmc_chipset_handle_t); /* card detection */ int (*card_detect)(sdmmc_chipset_handle_t); /* bus power and clock frequency */ int (*bus_power)(sdmmc_chipset_handle_t, u_int32_t); int (*bus_clock)(sdmmc_chipset_handle_t, int); /* command execution */ void (*exec_command)(sdmmc_chipset_handle_t, struct sdmmc_command *); /* card interrupt */ void (*card_intr_mask)(sdmmc_chipset_handle_t, int); void (*card_intr_ack)(sdmmc_chipset_handle_t); }; /* host controller reset */ #define sdmmc_chip_host_reset(tag, handle) \ ((tag)->host_reset((handle))) /* host capabilities */ #define sdmmc_chip_host_ocr(tag, handle) \ ((tag)->host_ocr((handle))) #define sdmmc_chip_host_maxblklen(tag, handle) \ ((tag)->host_maxblklen((handle))) /* card detection */ #define sdmmc_chip_card_detect(tag, handle) \ ((tag)->card_detect((handle))) /* bus power and clock frequency */ #define sdmmc_chip_bus_power(tag, handle, ocr) \ ((tag)->bus_power((handle), (ocr))) #define sdmmc_chip_bus_clock(tag, handle, freq) \ ((tag)->bus_clock((handle), (freq))) /* command execution */ #define sdmmc_chip_exec_command(tag, handle, cmdp) \ ((tag)->exec_command((handle), (cmdp))) /* card interrupt */ #define sdmmc_chip_card_intr_mask(tag, handle, enable) \ ((tag)->card_intr_mask((handle), (enable))) #define sdmmc_chip_card_intr_ack(tag, handle) \ ((tag)->card_intr_ack((handle))) /* clock frequencies for sdmmc_chip_bus_clock() */ #define SDMMC_SDCLK_OFF 0 #define SDMMC_SDCLK_400KHZ 400 #define SDMMC_SDCLK_25MHZ 25000 struct sdmmcbus_attach_args { const char *saa_busname; sdmmc_chipset_tag_t sct; sdmmc_chipset_handle_t sch; }; void sdmmc_needs_discover(struct device *); void sdmmc_card_intr(struct device *); void sdmmc_delay(u_int); #endif