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/* $OpenBSD: scoop_mmc.c,v 1.2 2009/09/03 21:40:29 marex Exp $ */
/*
* Copyright (c) 2007 Uwe Stuehler <uwe@openbsd.org>
*
* 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.
*/
/* Attachment driver for pxammc(4) on Zaurus */
#include <sys/param.h>
#include <sys/device.h>
#include <sys/systm.h>
#include <dev/sdmmc/sdmmcreg.h>
#include <machine/machine_reg.h>
#include <arch/arm/xscale/pxammcvar.h>
#include <arch/zaurus/dev/zaurus_scoopvar.h>
int scoop_mmc_match(struct device *, void *, void *);
void scoop_mmc_attach(struct device *, struct device *, void *);
struct cfattach pxammc_scoop_ca = {
sizeof(struct pxammc_softc), scoop_mmc_match,
scoop_mmc_attach
};
u_int32_t scoop_mmc_get_ocr(void *);
int scoop_mmc_set_power(void *, u_int32_t);
int
scoop_mmc_match(struct device *parent, void *match, void *aux)
{
return pxammc_match();
}
void
scoop_mmc_attach(struct device *parent, struct device *self, void *aux)
{
struct pxammc_softc *sc = (struct pxammc_softc *)self;
sc->tag.cookie = (void *)sc;
sc->tag.get_ocr = scoop_mmc_get_ocr;
sc->tag.set_power = scoop_mmc_set_power;
sc->sc_gpio_detect = GPIO_MMC_DETECT;
pxammc_attach(sc, aux);
}
u_int32_t
scoop_mmc_get_ocr(void *cookie)
{
return MMC_OCR_3_2V_3_3V | MMC_OCR_3_3V_3_4V;
}
int
scoop_mmc_set_power(void *cookie, u_int32_t ocr)
{
if (ISSET(ocr, MMC_OCR_3_2V_3_3V | MMC_OCR_3_3V_3_4V)) {
scoop_set_sdmmc_power(1);
return 0;
} else if (ocr != 0) {
printf("scoop_mmc_set_power: unsupported OCR (%#x)\n", ocr);
return EINVAL;
} else {
scoop_set_sdmmc_power(0);
return 0;
}
}
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