Annotation of sys/arch/zaurus/dev/scoop_mmc.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: scoop_mmc.c,v 1.1 2007/03/18 20:53:10 uwe Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 2007 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: /* Attachment driver for pxammc(4) on Zaurus */
! 20:
! 21: #include <sys/param.h>
! 22: #include <sys/device.h>
! 23: #include <sys/systm.h>
! 24:
! 25: #include <dev/sdmmc/sdmmcreg.h>
! 26:
! 27: #include <arch/arm/xscale/pxammcvar.h>
! 28: #include <arch/zaurus/dev/zaurus_scoopvar.h>
! 29:
! 30: int scoop_mmc_match(struct device *, void *, void *);
! 31: void scoop_mmc_attach(struct device *, struct device *, void *);
! 32:
! 33: struct cfattach pxammc_scoop_ca = {
! 34: sizeof(struct pxammc_softc), scoop_mmc_match,
! 35: scoop_mmc_attach
! 36: };
! 37:
! 38: u_int32_t scoop_mmc_get_ocr(void *);
! 39: int scoop_mmc_set_power(void *, u_int32_t);
! 40:
! 41: int
! 42: scoop_mmc_match(struct device *parent, void *match, void *aux)
! 43: {
! 44: return pxammc_match();
! 45: }
! 46:
! 47: void
! 48: scoop_mmc_attach(struct device *parent, struct device *self, void *aux)
! 49: {
! 50: struct pxammc_softc *sc = (struct pxammc_softc *)self;
! 51:
! 52: sc->tag.cookie = (void *)sc;
! 53: sc->tag.get_ocr = scoop_mmc_get_ocr;
! 54: sc->tag.set_power = scoop_mmc_set_power;
! 55:
! 56: pxammc_attach(sc, aux);
! 57: }
! 58:
! 59: u_int32_t
! 60: scoop_mmc_get_ocr(void *cookie)
! 61: {
! 62: return MMC_OCR_3_2V_3_3V | MMC_OCR_3_3V_3_4V;
! 63: }
! 64:
! 65: int
! 66: scoop_mmc_set_power(void *cookie, u_int32_t ocr)
! 67: {
! 68: if (ISSET(ocr, MMC_OCR_3_2V_3_3V | MMC_OCR_3_3V_3_4V)) {
! 69: scoop_set_sdmmc_power(1);
! 70: return 0;
! 71: } else if (ocr != 0) {
! 72: printf("scoop_mmc_set_power: unsupported OCR (%#x)\n", ocr);
! 73: return EINVAL;
! 74: } else {
! 75: scoop_set_sdmmc_power(0);
! 76: return 0;
! 77: }
! 78: }
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