test: Add tests for misc uclass
Add a set of tests for the misc uclass.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/misc/misc_sandbox.c b/drivers/misc/misc_sandbox.c
new file mode 100644
index 0000000..e4164f7
--- /dev/null
+++ b/drivers/misc/misc_sandbox.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2018
+ * Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <misc.h>
+
+struct misc_sandbox_priv {
+ u8 mem[128];
+ ulong last_ioctl;
+ bool enabled;
+};
+
+int misc_sandbox_read(struct udevice *dev, int offset, void *buf, int size)
+{
+ struct misc_sandbox_priv *priv = dev_get_priv(dev);
+
+ memcpy(buf, priv->mem + offset, size);
+
+ return 0;
+}
+
+int misc_sandbox_write(struct udevice *dev, int offset, const void *buf,
+ int size)
+{
+ struct misc_sandbox_priv *priv = dev_get_priv(dev);
+
+ memcpy(priv->mem + offset, buf, size);
+
+ return 0;
+}
+
+int misc_sandbox_ioctl(struct udevice *dev, unsigned long request, void *buf)
+{
+ struct misc_sandbox_priv *priv = dev_get_priv(dev);
+
+ priv->last_ioctl = request;
+
+ return 0;
+}
+
+int misc_sandbox_call(struct udevice *dev, int msgid, void *tx_msg,
+ int tx_size, void *rx_msg, int rx_size)
+{
+ struct misc_sandbox_priv *priv = dev_get_priv(dev);
+
+ if (msgid == 0) {
+ int num = *(int *)tx_msg;
+
+ switch (num) {
+ case 0:
+ strncpy(rx_msg, "Zero", rx_size);
+ break;
+ case 1:
+ strncpy(rx_msg, "One", rx_size);
+ break;
+ case 2:
+ strncpy(rx_msg, "Two", rx_size);
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ if (msgid == 1) {
+ int num = *(int *)tx_msg;
+
+ switch (num) {
+ case 0:
+ strncpy(rx_msg, "Forty", rx_size);
+ break;
+ case 1:
+ strncpy(rx_msg, "Forty-one", rx_size);
+ break;
+ case 2:
+ strncpy(rx_msg, "Forty-two", rx_size);
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ if (msgid == 2)
+ memcpy(rx_msg, &priv->last_ioctl, sizeof(priv->last_ioctl));
+
+ if (msgid == 3)
+ memcpy(rx_msg, &priv->enabled, sizeof(priv->enabled));
+
+ return 0;
+}
+
+int misc_sandbox_set_enabled(struct udevice *dev, bool val)
+{
+ struct misc_sandbox_priv *priv = dev_get_priv(dev);
+
+ priv->enabled = !priv->enabled;
+
+ return 0;
+}
+
+static const struct misc_ops misc_sandbox_ops = {
+ .read = misc_sandbox_read,
+ .write = misc_sandbox_write,
+ .ioctl = misc_sandbox_ioctl,
+ .call = misc_sandbox_call,
+ .set_enabled = misc_sandbox_set_enabled,
+};
+
+int misc_sandbox_probe(struct udevice *dev)
+{
+ struct misc_sandbox_priv *priv = dev_get_priv(dev);
+
+ priv->enabled = true;
+
+ return 0;
+}
+
+static const struct udevice_id misc_sandbox_ids[] = {
+ { .compatible = "sandbox,misc_sandbox" },
+ { }
+};
+
+U_BOOT_DRIVER(misc_sandbox) = {
+ .name = "misc_sandbox",
+ .id = UCLASS_MISC,
+ .ops = &misc_sandbox_ops,
+ .of_match = misc_sandbox_ids,
+ .probe = misc_sandbox_probe,
+ .priv_auto_alloc_size = sizeof(struct misc_sandbox_priv),
+};