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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:18:31 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:42:15 +0300
commit437fd90c0250dee670290f9b714253671a990160 (patch)
treeb871786c360704244a07411c69fb58da9ead4a06 /qemu/hw/sd/core.c
parent5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (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.c146
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)