| 1 | /* |
| 2 | * QTest testcase for the RS5C372 RTC |
| 3 | * |
| 4 | * Copyright (c) 2025 Bernhard Beschow <shentey@gmail.com> |
| 5 | * |
| 6 | * Based on ds1338-test.c |
| 7 | * |
| 8 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 9 | */ |
| 10 | |
| 11 | #include "qemu/osdep.h" |
| 12 | #include "qemu/bcd.h" |
| 13 | #include "libqos/i2c.h" |
| 14 | |
| 15 | #define RS5C372_ADDR 0x32 |
| 16 | |
| 17 | static void rs5c372_read_date(void *obj, void *data, QGuestAllocator *alloc) |
| 18 | { |
| 19 | QI2CDevice *i2cdev = obj; |
| 20 | |
| 21 | uint8_t resp[0x10]; |
| 22 | time_t now = time(NULL); |
| 23 | struct tm *utc = gmtime(&now); |
| 24 | |
| 25 | i2c_read_block(i2cdev, 0, resp, sizeof(resp)); |
| 26 | |
| 27 | /* check retrieved time against local time */ |
| 28 | g_assert_cmpuint(from_bcd(resp[5]), == , utc->tm_mday); |
| 29 | g_assert_cmpuint(from_bcd(resp[6]), == , 1 + utc->tm_mon); |
| 30 | g_assert_cmpuint(2000 + from_bcd(resp[7]), == , 1900 + utc->tm_year); |
| 31 | } |
| 32 | |
| 33 | static void rs5c372_register_nodes(void) |
| 34 | { |
| 35 | QOSGraphEdgeOptions opts = { }; |
| 36 | add_qi2c_address(&opts, &(QI2CAddress) { RS5C372_ADDR }); |
| 37 | |
| 38 | qos_node_create_driver("rs5c372", i2c_device_create); |
| 39 | qos_node_consumes("rs5c372", "i2c-bus", &opts); |
| 40 | qos_add_test("read_date", "rs5c372", rs5c372_read_date, NULL); |
| 41 | } |
| 42 | |
| 43 | libqos_init(rs5c372_register_nodes); |