diff options
author | 2016-05-18 13:18:31 +0300 | |
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committer | 2016-05-18 13:42:15 +0300 | |
commit | 437fd90c0250dee670290f9b714253671a990160 (patch) | |
tree | b871786c360704244a07411c69fb58da9ead4a06 /qemu/hw/sd/core.c | |
parent | 5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff) |
These changes are the raw update to qemu-2.6.
Collission happened in the following patches:
migration: do cleanup operation after completion(738df5b9)
Bug fix.(1750c932f86)
kvmclock: add a new function to update env->tsc.(b52baab2)
The code provided by the patches was already in the upstreamed
version.
Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a
Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/hw/sd/core.c')
-rw-r--r-- | qemu/hw/sd/core.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/qemu/hw/sd/core.c b/qemu/hw/sd/core.c new file mode 100644 index 000000000..14c2bdf27 --- /dev/null +++ b/qemu/hw/sd/core.c @@ -0,0 +1,146 @@ +/* + * SD card bus interface code. + * + * Copyright (c) 2015 Linaro Limited + * + * Author: + * Peter Maydell <peter.maydell@linaro.org> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "qemu/osdep.h" +#include "hw/qdev-core.h" +#include "sysemu/block-backend.h" +#include "hw/sd/sd.h" + +static SDState *get_card(SDBus *sdbus) +{ + /* We only ever have one child on the bus so just return it */ + BusChild *kid = QTAILQ_FIRST(&sdbus->qbus.children); + + if (!kid) { + return NULL; + } + return SD_CARD(kid->child); +} + +int sdbus_do_command(SDBus *sdbus, SDRequest *req, uint8_t *response) +{ + SDState *card = get_card(sdbus); + + if (card) { + SDCardClass *sc = SD_CARD_GET_CLASS(card); + + return sc->do_command(card, req, response); + } + + return 0; +} + +void sdbus_write_data(SDBus *sdbus, uint8_t value) +{ + SDState *card = get_card(sdbus); + + if (card) { + SDCardClass *sc = SD_CARD_GET_CLASS(card); + + sc->write_data(card, value); + } +} + +uint8_t sdbus_read_data(SDBus *sdbus) +{ + SDState *card = get_card(sdbus); + + if (card) { + SDCardClass *sc = SD_CARD_GET_CLASS(card); + + return sc->read_data(card); + } + + return 0; +} + +bool sdbus_data_ready(SDBus *sdbus) +{ + SDState *card = get_card(sdbus); + + if (card) { + SDCardClass *sc = SD_CARD_GET_CLASS(card); + + return sc->data_ready(card); + } + + return false; +} + +bool sdbus_get_inserted(SDBus *sdbus) +{ + SDState *card = get_card(sdbus); + + if (card) { + SDCardClass *sc = SD_CARD_GET_CLASS(card); + + return sc->get_inserted(card); + } + + return false; +} + +bool sdbus_get_readonly(SDBus *sdbus) +{ + SDState *card = get_card(sdbus); + + if (card) { + SDCardClass *sc = SD_CARD_GET_CLASS(card); + + return sc->get_readonly(card); + } + + return false; +} + +void sdbus_set_inserted(SDBus *sdbus, bool inserted) +{ + SDBusClass *sbc = SD_BUS_GET_CLASS(sdbus); + BusState *qbus = BUS(sdbus); + + if (sbc->set_inserted) { + sbc->set_inserted(qbus->parent, inserted); + } +} + +void sdbus_set_readonly(SDBus *sdbus, bool readonly) +{ + SDBusClass *sbc = SD_BUS_GET_CLASS(sdbus); + BusState *qbus = BUS(sdbus); + + if (sbc->set_readonly) { + sbc->set_readonly(qbus->parent, readonly); + } +} + +static const TypeInfo sd_bus_info = { + .name = TYPE_SD_BUS, + .parent = TYPE_BUS, + .instance_size = sizeof(SDBus), + .class_size = sizeof(SDBusClass), +}; + +static void sd_bus_register_types(void) +{ + type_register_static(&sd_bus_info); +} + +type_init(sd_bus_register_types) |