Annotation of sys/arch/zaurus/dev/scoop_mmc.c, Revision 1.1.1.1
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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