+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2013 Google, Inc
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <fdtdec.h>
#include <dm.h>
-#include <dm/ut.h>
+#include <dm/root.h>
#include <dm/test.h>
#include <dm/util.h>
#include <asm/gpio.h>
+#include <test/ut.h>
/* Test that sandbox GPIOs work correctly */
-static int dm_test_gpio(struct dm_test_state *dms)
+static int dm_test_gpio(struct unit_test_state *uts)
{
unsigned int offset, gpio;
struct dm_gpio_ops *ops;
- struct device *dev;
+ struct udevice *dev;
const char *name;
int offset_count;
char buf[80];
/* Get the operations for this device */
ops = gpio_get_ops(dev);
- ut_assert(ops->get_state);
+ ut_assert(ops->get_function);
/* Cannot get a value until it is reserved */
- ut_asserteq(-1, ops->get_value(dev, offset));
-
+ ut_asserteq(-EBUSY, gpio_get_value(gpio + 1));
/*
* Now some tests that use the 'sandbox' back door. All GPIOs
* should default to input, include b4 that we are using here.
*/
- ut_assertok(ops->get_state(dev, offset, buf, sizeof(buf)));
- ut_asserteq_str("b4: in: 0 [ ]", buf);
+ ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+ ut_asserteq_str("b4: input: 0 [ ]", buf);
/* Change it to an output */
sandbox_gpio_set_direction(dev, offset, 1);
- ut_assertok(ops->get_state(dev, offset, buf, sizeof(buf)));
- ut_asserteq_str("b4: out: 0 [ ]", buf);
+ ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+ ut_asserteq_str("b4: output: 0 [ ]", buf);
sandbox_gpio_set_value(dev, offset, 1);
- ut_assertok(ops->get_state(dev, offset, buf, sizeof(buf)));
- ut_asserteq_str("b4: out: 1 [ ]", buf);
+ ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+ ut_asserteq_str("b4: output: 1 [ ]", buf);
- ut_assertok(ops->request(dev, offset, "testing"));
- ut_assertok(ops->get_state(dev, offset, buf, sizeof(buf)));
- ut_asserteq_str("b4: out: 1 [x] testing", buf);
+ ut_assertok(gpio_request(gpio, "testing"));
+ ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+ ut_asserteq_str("b4: output: 1 [x] testing", buf);
/* Change the value a bit */
ut_asserteq(1, ops->get_value(dev, offset));
ut_assertok(ops->set_value(dev, offset, 0));
ut_asserteq(0, ops->get_value(dev, offset));
- ut_assertok(ops->get_state(dev, offset, buf, sizeof(buf)));
- ut_asserteq_str("b4: out: 0 [x] testing", buf);
+ ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+ ut_asserteq_str("b4: output: 0 [x] testing", buf);
ut_assertok(ops->set_value(dev, offset, 1));
ut_asserteq(1, ops->get_value(dev, offset));
+ /* Make it an open drain output, and reset it */
+ ut_asserteq(0, sandbox_gpio_get_open_drain(dev, offset));
+ ut_assertok(ops->set_open_drain(dev, offset, 1));
+ ut_asserteq(1, sandbox_gpio_get_open_drain(dev, offset));
+ ut_assertok(ops->set_open_drain(dev, offset, 0));
+ ut_asserteq(0, sandbox_gpio_get_open_drain(dev, offset));
+
/* Make it an input */
ut_assertok(ops->direction_input(dev, offset));
- ut_assertok(ops->get_state(dev, offset, buf, sizeof(buf)));
- ut_asserteq_str("b4: in: 1 [x] testing", buf);
+ ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+ ut_asserteq_str("b4: input: 1 [x] testing", buf);
sandbox_gpio_set_value(dev, offset, 0);
ut_asserteq(0, sandbox_gpio_get_value(dev, offset));
- ut_assertok(ops->get_state(dev, offset, buf, sizeof(buf)));
- ut_asserteq_str("b4: in: 0 [x] testing", buf);
+ ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+ ut_asserteq_str("b4: input: 0 [x] testing", buf);
- ut_assertok(ops->free(dev, offset));
- ut_assertok(ops->get_state(dev, offset, buf, sizeof(buf)));
- ut_asserteq_str("b4: in: 0 [ ]", buf);
+ ut_assertok(gpio_free(gpio));
+ ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+ ut_asserteq_str("b4: input: 0 [ ]", buf);
/* Check the 'a' bank also */
ut_assertok(gpio_lookup_name("a15", &dev, &offset, &gpio));
ut_asserteq_str("a", name);
ut_asserteq(20, offset_count);
+ return 0;
+}
+DM_TEST(dm_test_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that sandbox anonymous GPIOs work correctly */
+static int dm_test_gpio_anon(struct unit_test_state *uts)
+{
+ unsigned int offset, gpio;
+ struct udevice *dev;
+ const char *name;
+ int offset_count;
+
/* And the anonymous bank */
ut_assertok(gpio_lookup_name("14", &dev, &offset, &gpio));
ut_asserteq_str(dev->name, "gpio_sandbox");
return 0;
}
-DM_TEST(dm_test_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+DM_TEST(dm_test_gpio_anon, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that gpio_requestf() works as expected */
+static int dm_test_gpio_requestf(struct unit_test_state *uts)
+{
+ unsigned int offset, gpio;
+ struct udevice *dev;
+ char buf[80];
+
+ ut_assertok(gpio_lookup_name("b5", &dev, &offset, &gpio));
+ ut_assertok(gpio_requestf(gpio, "testing %d %s", 1, "hi"));
+ sandbox_gpio_set_direction(dev, offset, 1);
+ sandbox_gpio_set_value(dev, offset, 1);
+ ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+ ut_asserteq_str("b5: output: 1 [x] testing 1 hi", buf);
+
+ return 0;
+}
+DM_TEST(dm_test_gpio_requestf, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that gpio_request() copies its string */
+static int dm_test_gpio_copy(struct unit_test_state *uts)
+{
+ unsigned int offset, gpio;
+ struct udevice *dev;
+ char buf[80], name[10];
+
+ ut_assertok(gpio_lookup_name("b6", &dev, &offset, &gpio));
+ strcpy(name, "odd_name");
+ ut_assertok(gpio_request(gpio, name));
+ sandbox_gpio_set_direction(dev, offset, 1);
+ sandbox_gpio_set_value(dev, offset, 1);
+ ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+ ut_asserteq_str("b6: output: 1 [x] odd_name", buf);
+ strcpy(name, "nothing");
+ ut_assertok(gpio_get_status(dev, offset, buf, sizeof(buf)));
+ ut_asserteq_str("b6: output: 1 [x] odd_name", buf);
+
+ return 0;
+}
+DM_TEST(dm_test_gpio_copy, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that we don't leak memory with GPIOs */
+static int dm_test_gpio_leak(struct unit_test_state *uts)
+{
+ ut_assertok(dm_test_gpio(uts));
+ ut_assertok(dm_test_gpio_anon(uts));
+ ut_assertok(dm_test_gpio_requestf(uts));
+ ut_assertok(dm_leak_check_end(uts));
+
+ return 0;
+}
+DM_TEST(dm_test_gpio_leak, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that we can find GPIOs using phandles */
+static int dm_test_gpio_phandles(struct unit_test_state *uts)
+{
+ struct gpio_desc desc, desc_list[8], desc_list2[8];
+ struct udevice *dev, *gpio_a, *gpio_b;
+
+ ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
+ ut_asserteq_str("a-test", dev->name);
+
+ ut_assertok(gpio_request_by_name(dev, "test-gpios", 1, &desc, 0));
+ ut_assertok(uclass_get_device(UCLASS_GPIO, 1, &gpio_a));
+ ut_assertok(uclass_get_device(UCLASS_GPIO, 2, &gpio_b));
+ ut_asserteq_str("base-gpios", gpio_a->name);
+ ut_asserteq(true, !!device_active(gpio_a));
+ ut_asserteq_ptr(gpio_a, desc.dev);
+ ut_asserteq(4, desc.offset);
+ /* GPIOF_INPUT is the sandbox GPIO driver default */
+ ut_asserteq(GPIOF_INPUT, gpio_get_function(gpio_a, 4, NULL));
+ ut_assertok(dm_gpio_free(dev, &desc));
+
+ ut_asserteq(-ENOENT, gpio_request_by_name(dev, "test-gpios", 3, &desc,
+ 0));
+ ut_asserteq_ptr(NULL, desc.dev);
+ ut_asserteq(desc.offset, 0);
+ ut_asserteq(-ENOENT, gpio_request_by_name(dev, "test-gpios", 5, &desc,
+ 0));
+
+ /* Last GPIO is ignord as it comes after <0> */
+ ut_asserteq(3, gpio_request_list_by_name(dev, "test-gpios", desc_list,
+ ARRAY_SIZE(desc_list), 0));
+ ut_asserteq(-EBUSY, gpio_request_list_by_name(dev, "test-gpios",
+ desc_list2,
+ ARRAY_SIZE(desc_list2),
+ 0));
+ ut_assertok(gpio_free_list(dev, desc_list, 3));
+ ut_asserteq(3, gpio_request_list_by_name(dev, "test-gpios", desc_list,
+ ARRAY_SIZE(desc_list),
+ GPIOD_IS_OUT |
+ GPIOD_IS_OUT_ACTIVE));
+ ut_asserteq_ptr(gpio_a, desc_list[0].dev);
+ ut_asserteq(1, desc_list[0].offset);
+ ut_asserteq_ptr(gpio_a, desc_list[1].dev);
+ ut_asserteq(4, desc_list[1].offset);
+ ut_asserteq_ptr(gpio_b, desc_list[2].dev);
+ ut_asserteq(5, desc_list[2].offset);
+ ut_asserteq(1, dm_gpio_get_value(desc_list));
+ ut_assertok(gpio_free_list(dev, desc_list, 3));
+
+ ut_asserteq(6, gpio_request_list_by_name(dev, "test2-gpios", desc_list,
+ ARRAY_SIZE(desc_list), 0));
+ /* This was set to output previously, so still will be */
+ ut_asserteq(GPIOF_OUTPUT, gpio_get_function(gpio_a, 1, NULL));
+
+ /* Active low should invert the input value */
+ ut_asserteq(GPIOF_INPUT, gpio_get_function(gpio_b, 6, NULL));
+ ut_asserteq(1, dm_gpio_get_value(&desc_list[2]));
+
+ ut_asserteq(GPIOF_INPUT, gpio_get_function(gpio_b, 7, NULL));
+ ut_asserteq(GPIOF_OUTPUT, gpio_get_function(gpio_b, 8, NULL));
+ ut_asserteq(0, dm_gpio_get_value(&desc_list[4]));
+ ut_asserteq(GPIOF_OUTPUT, gpio_get_function(gpio_b, 9, NULL));
+ ut_asserteq(1, dm_gpio_get_value(&desc_list[5]));
+
+
+ return 0;
+}
+DM_TEST(dm_test_gpio_phandles, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
projects / u-boot / blobdiff