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-rw-r--r--test/dm/Makefile3
-rw-r--r--test/dm/mux-cmd.c177
-rw-r--r--test/dm/mux-emul.c105
-rw-r--r--test/dm/mux-mmio.c138
4 files changed, 423 insertions, 0 deletions
diff --git a/test/dm/Makefile b/test/dm/Makefile
index e2b0798388..8b3d77e34e 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -34,6 +34,7 @@ obj-y += irq.o
obj-$(CONFIG_LED) += led.o
obj-$(CONFIG_DM_MAILBOX) += mailbox.o
obj-$(CONFIG_DM_MMC) += mmc.o
+obj-$(CONFIG_CMD_MUX) += mux-cmd.o
obj-y += fdtdec.o
obj-y += ofnode.o
obj-y += ofread.o
@@ -57,6 +58,8 @@ obj-$(CONFIG_DM_SPI_FLASH) += sf.o
obj-$(CONFIG_SMEM) += smem.o
obj-$(CONFIG_DM_SPI) += spi.o
obj-y += syscon.o
+obj-$(CONFIG_MUX_MMIO) += mux-mmio.o
+obj-$(CONFIG_MULTIPLEXER) += mux-emul.o
obj-$(CONFIG_DM_USB) += usb.o
obj-$(CONFIG_DM_PMIC) += pmic.o
obj-$(CONFIG_DM_REGULATOR) += regulator.o
diff --git a/test/dm/mux-cmd.c b/test/dm/mux-cmd.c
new file mode 100644
index 0000000000..11c237b5da
--- /dev/null
+++ b/test/dm/mux-cmd.c
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2020 Texas Instruments Inc.
+ * Pratyush Yadav <p.yadav@ti.com>
+ */
+#include <common.h>
+#include <dm.h>
+#include <mux.h>
+#include <mux-internal.h>
+#include <dt-bindings/mux/mux.h>
+#include <asm/test.h>
+#include <dm/test.h>
+#include <test/ut.h>
+#include <console.h>
+#include <rand.h>
+
+#define BUF_SIZE 256
+
+/* Test 'mux list' */
+static int dm_test_cmd_mux_list(struct unit_test_state *uts)
+{
+ char str[BUF_SIZE], *tok;
+ struct udevice *dev;
+ struct mux_chip *chip;
+ struct mux_control *mux;
+ int i;
+ unsigned long val;
+
+ sandbox_set_enable_memio(true);
+
+ ut_assertok(uclass_get_device_by_name(UCLASS_MUX, "a-mux-controller",
+ &dev));
+ chip = dev_get_uclass_priv(dev);
+ ut_assertnonnull(chip);
+
+ run_command("mux list", 0);
+ ut_assert_nextline("a-mux-controller:");
+
+ /*
+ * Check the table header to make sure we are not out of sync with the
+ * code in the command. If we are, catch it early.
+ */
+ console_record_readline(str, BUF_SIZE);
+ tok = strtok(str, " ");
+ ut_asserteq_str("ID", tok);
+
+ tok = strtok(NULL, " ");
+ ut_asserteq_str("Selected", tok);
+
+ tok = strtok(NULL, " ");
+ ut_asserteq_str("Current", tok);
+ tok = strtok(NULL, " ");
+ ut_asserteq_str("State", tok);
+
+ tok = strtok(NULL, " ");
+ ut_asserteq_str("Idle", tok);
+ tok = strtok(NULL, " ");
+ ut_asserteq_str("State", tok);
+
+ tok = strtok(NULL, " ");
+ ut_asserteq_str("Num", tok);
+ tok = strtok(NULL, " ");
+ ut_asserteq_str("States", tok);
+
+ for (i = 0; i < chip->controllers; i++) {
+ mux = &chip->mux[i];
+
+ console_record_readline(str, BUF_SIZE);
+
+ /*
+ * Check if the ID printed matches with the ID of the chip we
+ * have.
+ */
+ tok = strtok(str, " ");
+ ut_assertok(strict_strtoul(tok, 10, &val));
+ ut_asserteq(i, val);
+
+ /* Check if mux selection state matches. */
+ tok = strtok(NULL, " ");
+ if (mux->in_use) {
+ ut_asserteq_str("yes", tok);
+ } else {
+ ut_asserteq_str("no", tok);
+ }
+
+ /* Check if the current state matches. */
+ tok = strtok(NULL, " ");
+ if (mux->cached_state == MUX_IDLE_AS_IS) {
+ ut_asserteq_str("unknown", tok);
+ } else {
+ ut_assertok(strict_strtoul(tok, 16, &val));
+ ut_asserteq(mux->cached_state, val);
+ }
+
+ /* Check if the idle state matches */
+ tok = strtok(NULL, " ");
+ if (mux->idle_state == MUX_IDLE_AS_IS) {
+ ut_asserteq_str("as-is", tok);
+ } else {
+ ut_assertok(strict_strtoul(tok, 16, &val));
+ ut_asserteq(mux->idle_state, val);
+ }
+
+ /* Check if the number of states matches */
+ tok = strtok(NULL, " ");
+ ut_assertok(strict_strtoul(tok, 16, &val));
+ ut_asserteq(mux->states, val);
+ }
+
+ return 0;
+}
+DM_TEST(dm_test_cmd_mux_list, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+static int dm_test_cmd_mux_select(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ struct mux_chip *chip;
+ struct mux_control *mux;
+ char cmd[BUF_SIZE];
+ unsigned int i, state;
+
+ sandbox_set_enable_memio(true);
+
+ ut_assertok(uclass_get_device_by_name(UCLASS_MUX, "a-mux-controller",
+ &dev));
+ chip = dev_get_uclass_priv(dev);
+ ut_assertnonnull(chip);
+
+ srand(get_ticks() + rand());
+ for (i = 0; i < chip->controllers; i++) {
+ mux = &chip->mux[i];
+
+ state = rand() % mux->states;
+
+ snprintf(cmd, BUF_SIZE, "mux select a-mux-controller %x %x", i,
+ state);
+ run_command(cmd, 0);
+ ut_asserteq(!!mux->in_use, true);
+ ut_asserteq(state, mux->cached_state);
+
+ ut_assertok(mux_control_deselect(mux));
+ }
+
+ return 0;
+}
+DM_TEST(dm_test_cmd_mux_select, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+static int dm_test_cmd_mux_deselect(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ struct mux_chip *chip;
+ struct mux_control *mux;
+ char cmd[BUF_SIZE];
+ unsigned int i, state;
+
+ sandbox_set_enable_memio(true);
+
+ ut_assertok(uclass_get_device_by_name(UCLASS_MUX, "a-mux-controller",
+ &dev));
+ chip = dev_get_uclass_priv(dev);
+ ut_assertnonnull(chip);
+
+ srand(get_ticks() + rand());
+ for (i = 0; i < chip->controllers; i++) {
+ mux = &chip->mux[i];
+
+ state = rand() % mux->states;
+ ut_assertok(mux_control_select(mux, state));
+
+ snprintf(cmd, BUF_SIZE, "mux deselect a-mux-controller %d", i);
+ run_command(cmd, 0);
+ ut_asserteq(!!mux->in_use, false);
+ }
+
+ return 0;
+}
+DM_TEST(dm_test_cmd_mux_deselect, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
diff --git a/test/dm/mux-emul.c b/test/dm/mux-emul.c
new file mode 100644
index 0000000000..141fd4d908
--- /dev/null
+++ b/test/dm/mux-emul.c
@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2020 Texas Instruments Incorporated - http://www.ti.com/
+ * Pratyush Yadav <p.yadav@ti.com>
+ */
+#include <common.h>
+#include <dm.h>
+#include <mux.h>
+#include <mux-internal.h>
+#include <dm/test.h>
+#include <test/ut.h>
+
+struct mux_emul_priv {
+ u32 state;
+};
+
+static int mux_emul_set(struct mux_control *mux, int state)
+{
+ struct mux_emul_priv *priv = dev_get_priv(mux->dev);
+
+ priv->state = state;
+ return 0;
+}
+
+static int mux_emul_probe(struct udevice *dev)
+{
+ struct mux_chip *mux_chip = dev_get_uclass_priv(dev);
+ struct mux_control *mux;
+ u32 idle_state;
+ int ret;
+
+ ret = mux_alloc_controllers(dev, 1);
+ if (ret < 0)
+ return ret;
+
+ mux = &mux_chip->mux[0];
+
+ ret = dev_read_u32(dev, "idle-state", &idle_state);
+ if (ret)
+ return ret;
+
+ mux->idle_state = idle_state;
+ mux->states = 0x100000;
+
+ return 0;
+}
+
+static const struct mux_control_ops mux_emul_ops = {
+ .set = mux_emul_set,
+};
+
+static const struct udevice_id mux_emul_of_match[] = {
+ { .compatible = "mux-emul" },
+ { /* sentinel */ },
+};
+
+U_BOOT_DRIVER(emul_mux) = {
+ .name = "mux-emul",
+ .id = UCLASS_MUX,
+ .of_match = mux_emul_of_match,
+ .ops = &mux_emul_ops,
+ .probe = mux_emul_probe,
+ .priv_auto_alloc_size = sizeof(struct mux_emul_priv),
+};
+
+static int dm_test_mux_emul_default_state(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ struct mux_control *mux;
+ struct mux_emul_priv *priv;
+
+ ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test",
+ &dev));
+ ut_assertok(mux_control_get(dev, "mux4", &mux));
+
+ priv = dev_get_priv(mux->dev);
+
+ ut_asserteq(0xabcd, priv->state);
+
+ return 0;
+}
+DM_TEST(dm_test_mux_emul_default_state, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+static int dm_test_mux_emul_select_deselect(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ struct mux_control *mux;
+ struct mux_emul_priv *priv;
+
+ gd->flags &= ~(GD_FLG_SILENT | GD_FLG_RECORD);
+ ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test",
+ &dev));
+ ut_assertok(mux_control_get(dev, "mux4", &mux));
+
+ priv = dev_get_priv(mux->dev);
+
+ ut_assertok(mux_control_select(mux, 0x1234));
+ ut_asserteq(priv->state, 0x1234);
+
+ ut_assertok(mux_control_deselect(mux));
+ ut_asserteq(priv->state, 0xabcd);
+
+ return 0;
+}
+DM_TEST(dm_test_mux_emul_select_deselect, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
diff --git a/test/dm/mux-mmio.c b/test/dm/mux-mmio.c
new file mode 100644
index 0000000000..fd353d8b15
--- /dev/null
+++ b/test/dm/mux-mmio.c
@@ -0,0 +1,138 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
+ * Jean-Jacques Hiblot <jjhiblot@ti.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <mux.h>
+#include <regmap.h>
+#include <syscon.h>
+#include <asm/test.h>
+#include <dm/test.h>
+#include <dm/device-internal.h>
+#include <test/ut.h>
+
+static int dm_test_mux_mmio_select(struct unit_test_state *uts)
+{
+ struct udevice *dev, *dev_b;
+ struct regmap *map;
+ struct mux_control *ctl0_a, *ctl0_b;
+ struct mux_control *ctl1;
+ struct mux_control *ctl_err;
+ u32 val;
+ int i;
+
+ sandbox_set_enable_memio(true);
+
+ ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test",
+ &dev));
+ ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "b-test",
+ &dev_b));
+ map = syscon_regmap_lookup_by_phandle(dev, "mux-syscon");
+ ut_assertok_ptr(map);
+ ut_assert(map);
+
+ ut_assertok(mux_control_get(dev, "mux0", &ctl0_a));
+ ut_assertok(mux_control_get(dev, "mux1", &ctl1));
+ ut_asserteq(-ERANGE, mux_control_get(dev, "mux3", &ctl_err));
+ ut_asserteq(-ENODATA, mux_control_get(dev, "dummy", &ctl_err));
+ ut_assertok(mux_control_get(dev_b, "mux0", &ctl0_b));
+
+ for (i = 0; i < mux_control_states(ctl0_a); i++) {
+ /* Select a new state and verify the value in the regmap. */
+ ut_assertok(mux_control_select(ctl0_a, i));
+ ut_assertok(regmap_read(map, 0, &val));
+ ut_asserteq(i, (val & 0x30) >> 4);
+ /*
+ * Deselect the mux and verify that the value in the regmap
+ * reflects the idle state (fixed to MUX_IDLE_AS_IS).
+ */
+ ut_assertok(mux_control_deselect(ctl0_a));
+ ut_assertok(regmap_read(map, 0, &val));
+ ut_asserteq(i, (val & 0x30) >> 4);
+ }
+
+ for (i = 0; i < mux_control_states(ctl1); i++) {
+ /* Select a new state and verify the value in the regmap. */
+ ut_assertok(mux_control_select(ctl1, i));
+ ut_assertok(regmap_read(map, 0xc, &val));
+ ut_asserteq(i, (val & 0x1E) >> 1);
+ /*
+ * Deselect the mux and verify that the value in the regmap
+ * reflects the idle state (fixed to 2).
+ */
+ ut_assertok(mux_control_deselect(ctl1));
+ ut_assertok(regmap_read(map, 0xc, &val));
+ ut_asserteq(2, (val & 0x1E) >> 1);
+ }
+
+ /* Try unbalanced selection/deselection. */
+ ut_assertok(mux_control_select(ctl0_a, 0));
+ ut_asserteq(-EBUSY, mux_control_select(ctl0_a, 1));
+ ut_asserteq(-EBUSY, mux_control_select(ctl0_a, 0));
+ ut_assertok(mux_control_deselect(ctl0_a));
+
+ /* Try concurrent selection. */
+ ut_assertok(mux_control_select(ctl0_a, 0));
+ ut_assert(mux_control_select(ctl0_b, 0));
+ ut_assertok(mux_control_deselect(ctl0_a));
+ ut_assertok(mux_control_select(ctl0_b, 0));
+ ut_assert(mux_control_select(ctl0_a, 0));
+ ut_assertok(mux_control_deselect(ctl0_b));
+ ut_assertok(mux_control_select(ctl0_a, 0));
+ ut_assertok(mux_control_deselect(ctl0_a));
+
+ return 0;
+}
+DM_TEST(dm_test_mux_mmio_select, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
+
+/* Test that managed API for mux work correctly */
+static int dm_test_devm_mux_mmio(struct unit_test_state *uts)
+{
+ struct udevice *dev, *dev_b;
+ struct mux_control *ctl0_a, *ctl0_b;
+ struct mux_control *ctl1;
+ struct mux_control *ctl_err;
+
+ sandbox_set_enable_memio(true);
+
+ ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test",
+ &dev));
+ ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "b-test",
+ &dev_b));
+
+ ctl0_a = devm_mux_control_get(dev, "mux0");
+ ut_assertok_ptr(ctl0_a);
+ ut_assert(ctl0_a);
+ ctl1 = devm_mux_control_get(dev, "mux1");
+ ut_assertok_ptr(ctl1);
+ ut_assert(ctl1);
+ ctl_err = devm_mux_control_get(dev, "mux3");
+ ut_asserteq(-ERANGE, PTR_ERR(ctl_err));
+ ctl_err = devm_mux_control_get(dev, "dummy");
+ ut_asserteq(-ENODATA, PTR_ERR(ctl_err));
+
+ ctl0_b = devm_mux_control_get(dev_b, "mux0");
+ ut_assertok_ptr(ctl0_b);
+ ut_assert(ctl0_b);
+
+ /* Try concurrent selection. */
+ ut_assertok(mux_control_select(ctl0_a, 0));
+ ut_assert(mux_control_select(ctl0_b, 0));
+ ut_assertok(mux_control_deselect(ctl0_a));
+ ut_assertok(mux_control_select(ctl0_b, 0));
+ ut_assert(mux_control_select(ctl0_a, 0));
+ ut_assertok(mux_control_deselect(ctl0_b));
+
+ /* Remove one device and check that the mux is released. */
+ ut_assertok(mux_control_select(ctl0_a, 0));
+ ut_assert(mux_control_select(ctl0_b, 0));
+ device_remove(dev, DM_REMOVE_NORMAL);
+ ut_assertok(mux_control_select(ctl0_b, 0));
+
+ device_remove(dev_b, DM_REMOVE_NORMAL);
+ return 0;
+}
+DM_TEST(dm_test_devm_mux_mmio, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-23 15:40:30 +0000