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authorBin Meng <bin.meng@windriver.com>2021-01-28 14:30:30 +0800
committerPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-02-20 00:17:09 +0100
commit995731d3f754d3110e0abb446ed31790377d211b (patch)
treed4c8c0e6f455043f7e3fc7ade895092da0ba6884 /hw/sd
parenteedb7f249cabfb03ff778ed2330710fc63a1172a (diff)
hw/sd: Introduce receive_ready() callback
At present there is a data_ready() callback for the SD data read path. Let's add a receive_ready() for the SD data write path. Signed-off-by: Bin Meng <bin.meng@windriver.com> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Acked-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20210128063035.15674-5-bmeng.cn@gmail.com> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Diffstat (limited to 'hw/sd')
-rw-r--r--hw/sd/core.c13
-rw-r--r--hw/sd/sd.c6
2 files changed, 19 insertions, 0 deletions
diff --git a/hw/sd/core.c b/hw/sd/core.c
index 08c93b5903..30ee62c510 100644
--- a/hw/sd/core.c
+++ b/hw/sd/core.c
@@ -160,6 +160,19 @@ void sdbus_read_data(SDBus *sdbus, void *buf, size_t length)
}
}
+bool sdbus_receive_ready(SDBus *sdbus)
+{
+ SDState *card = get_card(sdbus);
+
+ if (card) {
+ SDCardClass *sc = SD_CARD_GET_CLASS(card);
+
+ return sc->receive_ready(card);
+ }
+
+ return false;
+}
+
bool sdbus_data_ready(SDBus *sdbus)
{
SDState *card = get_card(sdbus);
diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index 5de9e0a6c2..172e83f99d 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -2037,6 +2037,11 @@ uint8_t sd_read_byte(SDState *sd)
return ret;
}
+static bool sd_receive_ready(SDState *sd)
+{
+ return sd->state == sd_receivingdata_state;
+}
+
static bool sd_data_ready(SDState *sd)
{
return sd->state == sd_sendingdata_state;
@@ -2147,6 +2152,7 @@ static void sd_class_init(ObjectClass *klass, void *data)
sc->do_command = sd_do_command;
sc->write_byte = sd_write_byte;
sc->read_byte = sd_read_byte;
+ sc->receive_ready = sd_receive_ready;
sc->data_ready = sd_data_ready;
sc->enable = sd_enable;
sc->get_inserted = sd_get_inserted;