]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - test/dm/bus.c
dm: gpio: hi6220: Add a hi6220 GPIO driver model driver.
[karo-tx-uboot.git] / test / dm / bus.c
index abbaccff509ce09374f30e88983252672d3c4e62..a215905add9b74be16c11f233e7e63d65c24833f 100644 (file)
@@ -9,11 +9,18 @@
 #include <dm/device-internal.h>
 #include <dm/root.h>
 #include <dm/test.h>
-#include <dm/ut.h>
+#include <dm/uclass-internal.h>
 #include <dm/util.h>
+#include <test/ut.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
+struct dm_test_parent_platdata {
+       int count;
+       int bind_flag;
+       int uclass_bind_flag;
+};
+
 enum {
        FLAG_CHILD_PROBED       = 10,
        FLAG_CHILD_REMOVED      = -7,
@@ -26,6 +33,17 @@ static int testbus_drv_probe(struct udevice *dev)
        return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
 }
 
+static int testbus_child_post_bind(struct udevice *dev)
+{
+       struct dm_test_parent_platdata *plat;
+
+       plat = dev_get_parent_platdata(dev);
+       plat->bind_flag = 1;
+       plat->uclass_bind_flag = 2;
+
+       return 0;
+}
+
 static int testbus_child_pre_probe(struct udevice *dev)
 {
        struct dm_test_parent_data *parent_data = dev_get_parentdata(dev);
@@ -35,6 +53,15 @@ static int testbus_child_pre_probe(struct udevice *dev)
        return 0;
 }
 
+static int testbus_child_pre_probe_uclass(struct udevice *dev)
+{
+       struct dm_test_priv *priv = dev_get_priv(dev);
+
+       priv->uclass_flag++;
+
+       return 0;
+}
+
 static int testbus_child_post_remove(struct udevice *dev)
 {
        struct dm_test_parent_data *parent_data = dev_get_parentdata(dev);
@@ -59,9 +86,12 @@ U_BOOT_DRIVER(testbus_drv) = {
        .of_match       = testbus_ids,
        .id     = UCLASS_TEST_BUS,
        .probe  = testbus_drv_probe,
+       .child_post_bind = testbus_child_post_bind,
        .priv_auto_alloc_size = sizeof(struct dm_test_priv),
        .platdata_auto_alloc_size = sizeof(struct dm_test_pdata),
        .per_child_auto_alloc_size = sizeof(struct dm_test_parent_data),
+       .per_child_platdata_auto_alloc_size =
+                       sizeof(struct dm_test_parent_platdata),
        .child_pre_probe = testbus_child_pre_probe,
        .child_post_remove = testbus_child_post_remove,
 };
@@ -69,12 +99,14 @@ U_BOOT_DRIVER(testbus_drv) = {
 UCLASS_DRIVER(testbus) = {
        .name           = "testbus",
        .id             = UCLASS_TEST_BUS,
+       .flags          = DM_UC_FLAG_SEQ_ALIAS,
+       .child_pre_probe = testbus_child_pre_probe_uclass,
 };
 
 /* Test that we can probe for children */
-static int dm_test_bus_children(struct dm_test_state *dms)
+static int dm_test_bus_children(struct unit_test_state *uts)
 {
-       int num_devices = 4;
+       int num_devices = 6;
        struct udevice *bus;
        struct uclass *uc;
 
@@ -88,14 +120,14 @@ static int dm_test_bus_children(struct dm_test_state *dms)
        ut_assertok(uclass_get(UCLASS_TEST_FDT, &uc));
        ut_asserteq(num_devices, list_count_items(&uc->dev_head));
 
-       ut_assert(!dm_check_devices(dms, num_devices));
+       ut_assert(!dm_check_devices(uts, num_devices));
 
        return 0;
 }
 DM_TEST(dm_test_bus_children, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
 
 /* Test our functions for accessing children */
-static int dm_test_bus_children_funcs(struct dm_test_state *dms)
+static int dm_test_bus_children_funcs(struct unit_test_state *uts)
 {
        const void *blob = gd->fdt_blob;
        struct udevice *bus, *dev;
@@ -141,7 +173,7 @@ static int dm_test_bus_children_funcs(struct dm_test_state *dms)
 DM_TEST(dm_test_bus_children_funcs, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
 
 /* Test that we can iterate through children */
-static int dm_test_bus_children_iterators(struct dm_test_state *dms)
+static int dm_test_bus_children_iterators(struct unit_test_state *uts)
 {
        struct udevice *bus, *dev, *child;
 
@@ -172,7 +204,7 @@ DM_TEST(dm_test_bus_children_iterators,
        DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
 
 /* Test that the bus can store data about each child */
-static int dm_test_bus_parent_data(struct dm_test_state *dms)
+static int test_bus_parent_data(struct unit_test_state *uts)
 {
        struct dm_test_parent_data *parent_data;
        struct udevice *bus, *dev;
@@ -231,13 +263,43 @@ static int dm_test_bus_parent_data(struct dm_test_state *dms)
 
        return 0;
 }
-
+/* Test that the bus can store data about each child */
+static int dm_test_bus_parent_data(struct unit_test_state *uts)
+{
+       return test_bus_parent_data(uts);
+}
 DM_TEST(dm_test_bus_parent_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
 
+/* As above but the size is controlled by the uclass */
+static int dm_test_bus_parent_data_uclass(struct unit_test_state *uts)
+{
+       struct driver *drv;
+       struct udevice *bus;
+       int size;
+       int ret;
+
+       /* Set the driver size to 0 so that the uclass size is used */
+       ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus));
+       drv = (struct driver *)bus->driver;
+       size = drv->per_child_auto_alloc_size;
+       bus->uclass->uc_drv->per_child_auto_alloc_size = size;
+       drv->per_child_auto_alloc_size = 0;
+       ret = test_bus_parent_data(uts);
+       if (ret)
+               return ret;
+       bus->uclass->uc_drv->per_child_auto_alloc_size = 0;
+       drv->per_child_auto_alloc_size = size;
+
+       return 0;
+}
+DM_TEST(dm_test_bus_parent_data_uclass,
+       DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
 /* Test that the bus ops are called when a child is probed/removed */
-static int dm_test_bus_parent_ops(struct dm_test_state *dms)
+static int dm_test_bus_parent_ops(struct unit_test_state *uts)
 {
        struct dm_test_parent_data *parent_data;
+       struct dm_test_state *dms = uts->priv;
        struct udevice *bus, *dev;
        struct uclass *uc;
 
@@ -271,3 +333,190 @@ static int dm_test_bus_parent_ops(struct dm_test_state *dms)
        return 0;
 }
 DM_TEST(dm_test_bus_parent_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+static int test_bus_parent_platdata(struct unit_test_state *uts)
+{
+       struct dm_test_parent_platdata *plat;
+       struct udevice *bus, *dev;
+       int child_count;
+
+       /* Check that the bus has no children */
+       ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus));
+       device_find_first_child(bus, &dev);
+       ut_asserteq_ptr(NULL, dev);
+
+       ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
+
+       for (device_find_first_child(bus, &dev), child_count = 0;
+            dev;
+            device_find_next_child(&dev)) {
+               /* Check that platform data is allocated */
+               plat = dev_get_parent_platdata(dev);
+               ut_assert(plat != NULL);
+
+               /*
+                * Check that it is not affected by the device being
+                * probed/removed
+                */
+               plat->count++;
+               ut_asserteq(1, plat->count);
+               device_probe(dev);
+               device_remove(dev);
+
+               ut_asserteq_ptr(plat, dev_get_parent_platdata(dev));
+               ut_asserteq(1, plat->count);
+               ut_assertok(device_probe(dev));
+               child_count++;
+       }
+       ut_asserteq(3, child_count);
+
+       /* Removing the bus should also have no effect (it is still bound) */
+       device_remove(bus);
+       for (device_find_first_child(bus, &dev), child_count = 0;
+            dev;
+            device_find_next_child(&dev)) {
+               /* Check that platform data is allocated */
+               plat = dev_get_parent_platdata(dev);
+               ut_assert(plat != NULL);
+               ut_asserteq(1, plat->count);
+               child_count++;
+       }
+       ut_asserteq(3, child_count);
+
+       /* Unbind all the children */
+       do {
+               device_find_first_child(bus, &dev);
+               if (dev)
+                       device_unbind(dev);
+       } while (dev);
+
+       /* Now the child platdata should be removed and re-added */
+       device_probe(bus);
+       for (device_find_first_child(bus, &dev), child_count = 0;
+            dev;
+            device_find_next_child(&dev)) {
+               /* Check that platform data is allocated */
+               plat = dev_get_parent_platdata(dev);
+               ut_assert(plat != NULL);
+               ut_asserteq(0, plat->count);
+               child_count++;
+       }
+       ut_asserteq(3, child_count);
+
+       return 0;
+}
+
+/* Test that the bus can store platform data about each child */
+static int dm_test_bus_parent_platdata(struct unit_test_state *uts)
+{
+       return test_bus_parent_platdata(uts);
+}
+DM_TEST(dm_test_bus_parent_platdata, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* As above but the size is controlled by the uclass */
+static int dm_test_bus_parent_platdata_uclass(struct unit_test_state *uts)
+{
+       struct udevice *bus;
+       struct driver *drv;
+       int size;
+       int ret;
+
+       /* Set the driver size to 0 so that the uclass size is used */
+       ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus));
+       drv = (struct driver *)bus->driver;
+       size = drv->per_child_platdata_auto_alloc_size;
+       bus->uclass->uc_drv->per_child_platdata_auto_alloc_size = size;
+       drv->per_child_platdata_auto_alloc_size = 0;
+       ret = test_bus_parent_platdata(uts);
+       if (ret)
+               return ret;
+       bus->uclass->uc_drv->per_child_platdata_auto_alloc_size = 0;
+       drv->per_child_platdata_auto_alloc_size = size;
+
+       return 0;
+}
+DM_TEST(dm_test_bus_parent_platdata_uclass,
+       DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that the child post_bind method is called */
+static int dm_test_bus_child_post_bind(struct unit_test_state *uts)
+{
+       struct dm_test_parent_platdata *plat;
+       struct udevice *bus, *dev;
+       int child_count;
+
+       ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
+       for (device_find_first_child(bus, &dev), child_count = 0;
+            dev;
+            device_find_next_child(&dev)) {
+               /* Check that platform data is allocated */
+               plat = dev_get_parent_platdata(dev);
+               ut_assert(plat != NULL);
+               ut_asserteq(1, plat->bind_flag);
+               child_count++;
+       }
+       ut_asserteq(3, child_count);
+
+       return 0;
+}
+DM_TEST(dm_test_bus_child_post_bind, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that the child post_bind method is called */
+static int dm_test_bus_child_post_bind_uclass(struct unit_test_state *uts)
+{
+       struct dm_test_parent_platdata *plat;
+       struct udevice *bus, *dev;
+       int child_count;
+
+       ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
+       for (device_find_first_child(bus, &dev), child_count = 0;
+            dev;
+            device_find_next_child(&dev)) {
+               /* Check that platform data is allocated */
+               plat = dev_get_parent_platdata(dev);
+               ut_assert(plat != NULL);
+               ut_asserteq(2, plat->uclass_bind_flag);
+               child_count++;
+       }
+       ut_asserteq(3, child_count);
+
+       return 0;
+}
+DM_TEST(dm_test_bus_child_post_bind_uclass,
+       DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/*
+ * Test that the bus' uclass' child_pre_probe() is called before the
+ * device's probe() method
+ */
+static int dm_test_bus_child_pre_probe_uclass(struct unit_test_state *uts)
+{
+       struct udevice *bus, *dev;
+       int child_count;
+
+       /*
+        * See testfdt_drv_probe() which effectively checks that the uclass
+        * flag is set before that method is called
+        */
+       ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
+       for (device_find_first_child(bus, &dev), child_count = 0;
+            dev;
+            device_find_next_child(&dev)) {
+               struct dm_test_priv *priv = dev_get_priv(dev);
+
+               /* Check that things happened in the right order */
+               ut_asserteq_ptr(NULL, priv);
+               ut_assertok(device_probe(dev));
+
+               priv = dev_get_priv(dev);
+               ut_assert(priv != NULL);
+               ut_asserteq(1, priv->uclass_flag);
+               ut_asserteq(1, priv->uclass_total);
+               child_count++;
+       }
+       ut_asserteq(3, child_count);
+
+       return 0;
+}
+DM_TEST(dm_test_bus_child_pre_probe_uclass,
+       DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);