From e02cda008591317b1625707ff8e115a4841aa889 Mon Sep 17 00:00:00 2001
From: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Date: Tue, 10 Oct 2023 11:40:56 +0000
Subject: Introduce Virtio-loopback epsilon release:
Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.
Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9
---
tests/qtest/pca9552-test.c | 93 ++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 93 insertions(+)
create mode 100644 tests/qtest/pca9552-test.c
(limited to 'tests/qtest/pca9552-test.c')
diff --git a/tests/qtest/pca9552-test.c b/tests/qtest/pca9552-test.c
new file mode 100644
index 000000000..42a131266
--- /dev/null
+++ b/tests/qtest/pca9552-test.c
@@ -0,0 +1,93 @@
+/*
+ * QTest testcase for the PCA9552 LED blinker
+ *
+ * Copyright (c) 2017-2018, IBM Corporation.
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+
+#include "libqos/libqtest.h"
+#include "libqos/qgraph.h"
+#include "libqos/i2c.h"
+#include "hw/misc/pca9552_regs.h"
+
+#define PCA9552_TEST_ID "pca9552-test"
+#define PCA9552_TEST_ADDR 0x60
+
+static void pca9552_init(QI2CDevice *i2cdev)
+{
+ /* Switch on LEDs 0 and 12 */
+ i2c_set8(i2cdev, PCA9552_LS0, 0x54);
+ i2c_set8(i2cdev, PCA9552_LS3, 0x54);
+}
+
+static void receive_autoinc(void *obj, void *data, QGuestAllocator *alloc)
+{
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+ uint8_t resp;
+ uint8_t reg = PCA9552_LS0 | PCA9552_AUTOINC;
+
+ pca9552_init(i2cdev);
+
+ qi2c_send(i2cdev, ®, 1);
+
+ /* PCA9552_LS0 */
+ qi2c_recv(i2cdev, &resp, 1);
+ g_assert_cmphex(resp, ==, 0x54);
+
+ /* PCA9552_LS1 */
+ qi2c_recv(i2cdev, &resp, 1);
+ g_assert_cmphex(resp, ==, 0x55);
+
+ /* PCA9552_LS2 */
+ qi2c_recv(i2cdev, &resp, 1);
+ g_assert_cmphex(resp, ==, 0x55);
+
+ /* PCA9552_LS3 */
+ qi2c_recv(i2cdev, &resp, 1);
+ g_assert_cmphex(resp, ==, 0x54);
+}
+
+static void send_and_receive(void *obj, void *data, QGuestAllocator *alloc)
+{
+ QI2CDevice *i2cdev = (QI2CDevice *)obj;
+ uint8_t value;
+
+ value = i2c_get8(i2cdev, PCA9552_LS0);
+ g_assert_cmphex(value, ==, 0x55);
+
+ value = i2c_get8(i2cdev, PCA9552_INPUT0);
+ g_assert_cmphex(value, ==, 0x0);
+
+ pca9552_init(i2cdev);
+
+ value = i2c_get8(i2cdev, PCA9552_LS0);
+ g_assert_cmphex(value, ==, 0x54);
+
+ value = i2c_get8(i2cdev, PCA9552_INPUT0);
+ g_assert_cmphex(value, ==, 0x01);
+
+ value = i2c_get8(i2cdev, PCA9552_LS3);
+ g_assert_cmphex(value, ==, 0x54);
+
+ value = i2c_get8(i2cdev, PCA9552_INPUT1);
+ g_assert_cmphex(value, ==, 0x10);
+}
+
+static void pca9552_register_nodes(void)
+{
+ QOSGraphEdgeOptions opts = {
+ .extra_device_opts = "address=0x60"
+ };
+ add_qi2c_address(&opts, &(QI2CAddress) { 0x60 });
+
+ qos_node_create_driver("pca9552", i2c_device_create);
+ qos_node_consumes("pca9552", "i2c-bus", &opts);
+
+ qos_add_test("tx-rx", "pca9552", send_and_receive, NULL);
+ qos_add_test("rx-autoinc", "pca9552", receive_autoinc, NULL);
+}
+libqos_init(pca9552_register_nodes);
--
cgit