15141d415SCédric Le Goater /*
25141d415SCédric Le Goater * QTest testcase for the PCA9552 LED blinker
35141d415SCédric Le Goater *
45141d415SCédric Le Goater * Copyright (c) 2017-2018, IBM Corporation.
55141d415SCédric Le Goater *
65141d415SCédric Le Goater * This work is licensed under the terms of the GNU GPL, version 2 or later.
75141d415SCédric Le Goater * See the COPYING file in the top-level directory.
85141d415SCédric Le Goater */
95141d415SCédric Le Goater
105141d415SCédric Le Goater #include "qemu/osdep.h"
115141d415SCédric Le Goater
12907b5105SMarc-André Lureau #include "libqtest.h"
1393c3fe2aSPaolo Bonzini #include "libqos/qgraph.h"
145141d415SCédric Le Goater #include "libqos/i2c.h"
15*6328d8ffSCédric Le Goater #include "hw/gpio/pca9552_regs.h"
165141d415SCédric Le Goater
175141d415SCédric Le Goater #define PCA9552_TEST_ID "pca9552-test"
185141d415SCédric Le Goater #define PCA9552_TEST_ADDR 0x60
195141d415SCédric Le Goater
pca9552_init(QI2CDevice * i2cdev)2093c3fe2aSPaolo Bonzini static void pca9552_init(QI2CDevice *i2cdev)
21eadcd3b2SPaolo Bonzini {
22eadcd3b2SPaolo Bonzini /* Switch on LEDs 0 and 12 */
2306599472SPaolo Bonzini i2c_set8(i2cdev, PCA9552_LS0, 0x54);
2406599472SPaolo Bonzini i2c_set8(i2cdev, PCA9552_LS3, 0x54);
25eadcd3b2SPaolo Bonzini }
26eadcd3b2SPaolo Bonzini
receive_autoinc(void * obj,void * data,QGuestAllocator * alloc)2793c3fe2aSPaolo Bonzini static void receive_autoinc(void *obj, void *data, QGuestAllocator *alloc)
285141d415SCédric Le Goater {
2993c3fe2aSPaolo Bonzini QI2CDevice *i2cdev = (QI2CDevice *)obj;
305141d415SCédric Le Goater uint8_t resp;
315141d415SCédric Le Goater uint8_t reg = PCA9552_LS0 | PCA9552_AUTOINC;
325141d415SCédric Le Goater
33eadcd3b2SPaolo Bonzini pca9552_init(i2cdev);
34eadcd3b2SPaolo Bonzini
3539397a9aSAlexander Bulekov qi2c_send(i2cdev, ®, 1);
365141d415SCédric Le Goater
375141d415SCédric Le Goater /* PCA9552_LS0 */
3839397a9aSAlexander Bulekov qi2c_recv(i2cdev, &resp, 1);
395141d415SCédric Le Goater g_assert_cmphex(resp, ==, 0x54);
405141d415SCédric Le Goater
415141d415SCédric Le Goater /* PCA9552_LS1 */
4239397a9aSAlexander Bulekov qi2c_recv(i2cdev, &resp, 1);
435141d415SCédric Le Goater g_assert_cmphex(resp, ==, 0x55);
445141d415SCédric Le Goater
455141d415SCédric Le Goater /* PCA9552_LS2 */
4639397a9aSAlexander Bulekov qi2c_recv(i2cdev, &resp, 1);
475141d415SCédric Le Goater g_assert_cmphex(resp, ==, 0x55);
485141d415SCédric Le Goater
495141d415SCédric Le Goater /* PCA9552_LS3 */
5039397a9aSAlexander Bulekov qi2c_recv(i2cdev, &resp, 1);
515141d415SCédric Le Goater g_assert_cmphex(resp, ==, 0x54);
525141d415SCédric Le Goater }
535141d415SCédric Le Goater
send_and_receive(void * obj,void * data,QGuestAllocator * alloc)5493c3fe2aSPaolo Bonzini static void send_and_receive(void *obj, void *data, QGuestAllocator *alloc)
555141d415SCédric Le Goater {
5693c3fe2aSPaolo Bonzini QI2CDevice *i2cdev = (QI2CDevice *)obj;
575141d415SCédric Le Goater uint8_t value;
585141d415SCédric Le Goater
5906599472SPaolo Bonzini value = i2c_get8(i2cdev, PCA9552_LS0);
605141d415SCédric Le Goater g_assert_cmphex(value, ==, 0x55);
615141d415SCédric Le Goater
6206599472SPaolo Bonzini value = i2c_get8(i2cdev, PCA9552_INPUT0);
637b99fb30SGlenn Miles g_assert_cmphex(value, ==, 0xFF);
645141d415SCédric Le Goater
65eadcd3b2SPaolo Bonzini pca9552_init(i2cdev);
66eadcd3b2SPaolo Bonzini
6706599472SPaolo Bonzini value = i2c_get8(i2cdev, PCA9552_LS0);
685141d415SCédric Le Goater g_assert_cmphex(value, ==, 0x54);
695141d415SCédric Le Goater
7006599472SPaolo Bonzini value = i2c_get8(i2cdev, PCA9552_INPUT0);
717b99fb30SGlenn Miles g_assert_cmphex(value, ==, 0xFE);
725141d415SCédric Le Goater
7306599472SPaolo Bonzini value = i2c_get8(i2cdev, PCA9552_LS3);
745141d415SCédric Le Goater g_assert_cmphex(value, ==, 0x54);
755141d415SCédric Le Goater
7606599472SPaolo Bonzini value = i2c_get8(i2cdev, PCA9552_INPUT1);
777b99fb30SGlenn Miles g_assert_cmphex(value, ==, 0xEF);
785141d415SCédric Le Goater }
795141d415SCédric Le Goater
pca9552_register_nodes(void)8093c3fe2aSPaolo Bonzini static void pca9552_register_nodes(void)
815141d415SCédric Le Goater {
8293c3fe2aSPaolo Bonzini QOSGraphEdgeOptions opts = {
8393c3fe2aSPaolo Bonzini .extra_device_opts = "address=0x60"
8493c3fe2aSPaolo Bonzini };
8506599472SPaolo Bonzini add_qi2c_address(&opts, &(QI2CAddress) { 0x60 });
865141d415SCédric Le Goater
8793c3fe2aSPaolo Bonzini qos_node_create_driver("pca9552", i2c_device_create);
8893c3fe2aSPaolo Bonzini qos_node_consumes("pca9552", "i2c-bus", &opts);
895141d415SCédric Le Goater
9093c3fe2aSPaolo Bonzini qos_add_test("tx-rx", "pca9552", send_and_receive, NULL);
9193c3fe2aSPaolo Bonzini qos_add_test("rx-autoinc", "pca9552", receive_autoinc, NULL);
925141d415SCédric Le Goater }
9393c3fe2aSPaolo Bonzini libqos_init(pca9552_register_nodes);
94