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-rw-r--r--test/dm/Makefile2
-rw-r--r--test/dm/acpi.c278
-rw-r--r--test/dm/acpi.h32
-rw-r--r--test/dm/acpi_dp.c492
-rw-r--r--test/dm/acpigen.c1099
-rw-r--r--test/dm/gpio.c62
-rw-r--r--test/dm/irq.c23
-rw-r--r--test/dm/pci.c14
8 files changed, 1987 insertions, 15 deletions
diff --git a/test/dm/Makefile b/test/dm/Makefile
index 0d1c66fa1e..b03c96da06 100644
--- a/test/dm/Makefile
+++ b/test/dm/Makefile
@@ -14,6 +14,8 @@ obj-$(CONFIG_UT_DM) += test-uclass.o
obj-$(CONFIG_UT_DM) += core.o
ifneq ($(CONFIG_SANDBOX),)
obj-$(CONFIG_ACPIGEN) += acpi.o
+obj-$(CONFIG_ACPIGEN) += acpigen.o
+obj-$(CONFIG_ACPIGEN) += acpi_dp.o
obj-$(CONFIG_SOUND) += audio.o
obj-$(CONFIG_BLK) += blk.o
obj-$(CONFIG_BOARD) += board.o
diff --git a/test/dm/acpi.c b/test/dm/acpi.c
index 4c46dd83a6..b94c4ba4d1 100644
--- a/test/dm/acpi.c
+++ b/test/dm/acpi.c
@@ -14,14 +14,27 @@
#include <version.h>
#include <tables_csum.h>
#include <version.h>
+#include <acpi/acpigen.h>
+#include <acpi/acpi_device.h>
#include <acpi/acpi_table.h>
#include <dm/acpi.h>
#include <dm/test.h>
#include <test/ut.h>
+#include "acpi.h"
-#define ACPI_TEST_DEV_NAME "ABCD"
#define BUF_SIZE 4096
+/**
+ * struct testacpi_platdata - Platform data for the test ACPI device
+ *
+ * @no_name: true to emit an empty ACPI name from testacpi_get_name()
+ * @return_error: true to return an error instead of a name
+ */
+struct testacpi_platdata {
+ bool return_error;
+ bool no_name;
+};
+
static int testacpi_write_tables(const struct udevice *dev,
struct acpi_ctx *ctx)
{
@@ -40,12 +53,51 @@ static int testacpi_write_tables(const struct udevice *dev,
static int testacpi_get_name(const struct udevice *dev, char *out_name)
{
- return acpi_copy_name(out_name, ACPI_TEST_DEV_NAME);
+ struct testacpi_platdata *plat = dev_get_platdata(dev);
+
+ if (plat->return_error)
+ return -EINVAL;
+ if (plat->no_name) {
+ *out_name = '\0';
+ return 0;
+ }
+ if (device_get_uclass_id(dev->parent) == UCLASS_TEST_ACPI)
+ return acpi_copy_name(out_name, ACPI_TEST_CHILD_NAME);
+ else
+ return acpi_copy_name(out_name, ACPI_TEST_DEV_NAME);
+}
+
+static int testacpi_fill_ssdt(const struct udevice *dev, struct acpi_ctx *ctx)
+{
+ const char *data;
+
+ data = dev_read_string(dev, "acpi-ssdt-test-data");
+ if (data) {
+ while (*data)
+ acpigen_emit_byte(ctx, *data++);
+ }
+
+ return 0;
+}
+
+static int testacpi_inject_dsdt(const struct udevice *dev, struct acpi_ctx *ctx)
+{
+ const char *data;
+
+ data = dev_read_string(dev, "acpi-dsdt-test-data");
+ if (data) {
+ while (*data)
+ acpigen_emit_byte(ctx, *data++);
+ }
+
+ return 0;
}
struct acpi_ops testacpi_ops = {
.get_name = testacpi_get_name,
.write_tables = testacpi_write_tables,
+ .fill_ssdt = testacpi_fill_ssdt,
+ .inject_dsdt = testacpi_inject_dsdt,
};
static const struct udevice_id testacpi_ids[] = {
@@ -57,6 +109,8 @@ U_BOOT_DRIVER(testacpi_drv) = {
.name = "testacpi_drv",
.of_match = testacpi_ids,
.id = UCLASS_TEST_ACPI,
+ .bind = dm_scan_fdt_dev,
+ .platdata_auto_alloc_size = sizeof(struct testacpi_platdata),
ACPI_OPS_PTR(&testacpi_ops)
};
@@ -69,12 +123,52 @@ UCLASS_DRIVER(testacpi) = {
static int dm_test_acpi_get_name(struct unit_test_state *uts)
{
char name[ACPI_NAME_MAX];
- struct udevice *dev;
+ struct udevice *dev, *dev2, *i2c, *spi, *serial, *timer, *sound;
+ struct udevice *pci, *root;
+ /* Test getting the name from the driver */
ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
ut_assertok(acpi_get_name(dev, name));
ut_asserteq_str(ACPI_TEST_DEV_NAME, name);
+ /* Test getting the name from the device tree */
+ ut_assertok(uclass_get_device_by_name(UCLASS_TEST_FDT, "a-test",
+ &dev2));
+ ut_assertok(acpi_get_name(dev2, name));
+ ut_asserteq_str("GHIJ", name);
+
+ /* Test getting the name from acpi_device_get_name() */
+ ut_assertok(uclass_first_device(UCLASS_I2C, &i2c));
+ ut_assertok(acpi_get_name(i2c, name));
+ ut_asserteq_str("I2C0", name);
+
+ ut_assertok(uclass_first_device(UCLASS_SPI, &spi));
+ ut_assertok(acpi_get_name(spi, name));
+ ut_asserteq_str("SPI0", name);
+
+ /* The uart has no sequence number, so this should fail */
+ ut_assertok(uclass_first_device(UCLASS_SERIAL, &serial));
+ ut_asserteq(-ENXIO, acpi_get_name(serial, name));
+
+ /* ACPI doesn't know about the timer */
+ ut_assertok(uclass_first_device(UCLASS_TIMER, &timer));
+ ut_asserteq(-ENOENT, acpi_get_name(timer, name));
+
+ /* May as well test the rest of the cases */
+ ut_assertok(uclass_first_device(UCLASS_SOUND, &sound));
+ ut_assertok(acpi_get_name(sound, name));
+ ut_asserteq_str("HDAS", name);
+
+ ut_assertok(uclass_first_device(UCLASS_PCI, &pci));
+ ut_assertok(acpi_get_name(pci, name));
+ ut_asserteq_str("PCI0", name);
+
+ ut_assertok(uclass_first_device(UCLASS_ROOT, &root));
+ ut_assertok(acpi_get_name(root, name));
+ ut_asserteq_str("\\_SB", name);
+
+ /* Note that we don't have tests for acpi_name_from_id() */
+
return 0;
}
DM_TEST(dm_test_acpi_get_name, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
@@ -138,6 +232,7 @@ static int dm_test_acpi_write_tables(struct unit_test_state *uts)
struct acpi_dmar *dmar;
struct acpi_ctx ctx;
void *buf;
+ int i;
buf = malloc(BUF_SIZE);
ut_assertnonnull(buf);
@@ -147,24 +242,26 @@ static int dm_test_acpi_write_tables(struct unit_test_state *uts)
ut_assertok(acpi_write_dev_tables(&ctx));
/*
- * We should have two dmar tables, one for each "denx,u-boot-acpi-test"
- * device
+ * We should have three dmar tables, one for each
+ * "denx,u-boot-acpi-test" device
*/
- ut_asserteq_ptr(dmar + 2, ctx.current);
+ ut_asserteq_ptr(dmar + 3, ctx.current);
ut_asserteq(DMAR_INTR_REMAP, dmar->flags);
ut_asserteq(32 - 1, dmar->host_address_width);
ut_asserteq(DMAR_INTR_REMAP, dmar[1].flags);
ut_asserteq(32 - 1, dmar[1].host_address_width);
- /* Check that the pointers were added correctly */
- ut_asserteq(map_to_sysmem(dmar), ctx.rsdt->entry[0]);
- ut_asserteq(map_to_sysmem(dmar + 1), ctx.rsdt->entry[1]);
- ut_asserteq(0, ctx.rsdt->entry[2]);
+ ut_asserteq(DMAR_INTR_REMAP, dmar[2].flags);
+ ut_asserteq(32 - 1, dmar[2].host_address_width);
- ut_asserteq(map_to_sysmem(dmar), ctx.xsdt->entry[0]);
- ut_asserteq(map_to_sysmem(dmar + 1), ctx.xsdt->entry[1]);
- ut_asserteq(0, ctx.xsdt->entry[2]);
+ /* Check that the pointers were added correctly */
+ for (i = 0; i < 3; i++) {
+ ut_asserteq(map_to_sysmem(dmar + i), ctx.rsdt->entry[i]);
+ ut_asserteq(map_to_sysmem(dmar + i), ctx.xsdt->entry[i]);
+ }
+ ut_asserteq(0, ctx.rsdt->entry[3]);
+ ut_asserteq(0, ctx.xsdt->entry[3]);
return 0;
}
@@ -268,17 +365,20 @@ static int dm_test_acpi_cmd_list(struct unit_test_state *uts)
addr = ALIGN(addr + sizeof(struct acpi_rsdp), 16);
ut_assert_nextline("RSDT %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
addr, sizeof(struct acpi_table_header) +
- 2 * sizeof(u32), U_BOOT_BUILD_DATE);
+ 3 * sizeof(u32), U_BOOT_BUILD_DATE);
addr = ALIGN(addr + sizeof(struct acpi_rsdt), 16);
ut_assert_nextline("XSDT %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
addr, sizeof(struct acpi_table_header) +
- 2 * sizeof(u64), U_BOOT_BUILD_DATE);
+ 3 * sizeof(u64), U_BOOT_BUILD_DATE);
addr = ALIGN(addr + sizeof(struct acpi_xsdt), 64);
ut_assert_nextline("DMAR %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
addr, sizeof(struct acpi_dmar), U_BOOT_BUILD_DATE);
addr = ALIGN(addr + sizeof(struct acpi_dmar), 16);
ut_assert_nextline("DMAR %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
addr, sizeof(struct acpi_dmar), U_BOOT_BUILD_DATE);
+ addr = ALIGN(addr + sizeof(struct acpi_dmar), 16);
+ ut_assert_nextline("DMAR %08lx %06lx (v01 U-BOOT U-BOOTBL %u INTL 0)",
+ addr, sizeof(struct acpi_dmar), U_BOOT_BUILD_DATE);
ut_assert_console_end();
return 0;
@@ -315,3 +415,151 @@ static int dm_test_acpi_cmd_dump(struct unit_test_state *uts)
return 0;
}
DM_TEST(dm_test_acpi_cmd_dump, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test acpi_device_path() */
+static int dm_test_acpi_device_path(struct unit_test_state *uts)
+{
+ struct testacpi_platdata *plat;
+ char buf[ACPI_PATH_MAX];
+ struct udevice *dev, *child;
+
+ ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
+ ut_assertok(acpi_device_path(dev, buf, sizeof(buf)));
+ ut_asserteq_str("\\_SB." ACPI_TEST_DEV_NAME, buf);
+
+ /* Test running out of space */
+ buf[5] = '\0';
+ ut_asserteq(-ENOSPC, acpi_device_path(dev, buf, 5));
+ ut_asserteq('\0', buf[5]);
+
+ /* Test a three-component name */
+ ut_assertok(device_first_child_err(dev, &child));
+ ut_assertok(acpi_device_path(child, buf, sizeof(buf)));
+ ut_asserteq_str("\\_SB." ACPI_TEST_DEV_NAME "." ACPI_TEST_CHILD_NAME,
+ buf);
+
+ /* Test handling of a device which doesn't produce a name */
+ plat = dev_get_platdata(dev);
+ plat->no_name = true;
+ ut_assertok(acpi_device_path(child, buf, sizeof(buf)));
+ ut_asserteq_str("\\_SB." ACPI_TEST_CHILD_NAME, buf);
+
+ /* Test handling of a device which returns an error */
+ plat = dev_get_platdata(dev);
+ plat->return_error = true;
+ ut_asserteq(-EINVAL, acpi_device_path(child, buf, sizeof(buf)));
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_device_path, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test acpi_device_status() */
+static int dm_test_acpi_device_status(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+
+ ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
+ ut_asserteq(ACPI_DSTATUS_ALL_ON, acpi_device_status(dev));
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_device_status, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test acpi_fill_ssdt() */
+static int dm_test_acpi_fill_ssdt(struct unit_test_state *uts)
+{
+ struct acpi_ctx ctx;
+ u8 *buf;
+
+ buf = malloc(BUF_SIZE);
+ ut_assertnonnull(buf);
+
+ ctx.current = buf;
+ buf[4] = 'z'; /* sentinel */
+ ut_assertok(acpi_fill_ssdt(&ctx));
+
+ /*
+ * These values come from acpi-test2's acpi-ssdt-test-data property.
+ * This device comes first because of u-boot,acpi-ssdt-order
+ */
+ ut_asserteq('c', buf[0]);
+ ut_asserteq('d', buf[1]);
+
+ /* These values come from acpi-test's acpi-ssdt-test-data property */
+ ut_asserteq('a', buf[2]);
+ ut_asserteq('b', buf[3]);
+
+ ut_asserteq('z', buf[4]);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_fill_ssdt, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test acpi_inject_dsdt() */
+static int dm_test_acpi_inject_dsdt(struct unit_test_state *uts)
+{
+ struct acpi_ctx ctx;
+ u8 *buf;
+
+ buf = malloc(BUF_SIZE);
+ ut_assertnonnull(buf);
+
+ ctx.current = buf;
+ buf[4] = 'z'; /* sentinel */
+ ut_assertok(acpi_inject_dsdt(&ctx));
+
+ /*
+ * These values come from acpi-test's acpi-dsdt-test-data property.
+ * There is no u-boot,acpi-dsdt-order so device-tree order is used.
+ */
+ ut_asserteq('h', buf[0]);
+ ut_asserteq('i', buf[1]);
+
+ /* These values come from acpi-test's acpi-dsdt-test-data property */
+ ut_asserteq('j', buf[2]);
+ ut_asserteq('k', buf[3]);
+
+ ut_asserteq('z', buf[4]);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_inject_dsdt, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test 'acpi items' command */
+static int dm_test_acpi_cmd_items(struct unit_test_state *uts)
+{
+ struct acpi_ctx ctx;
+ void *buf;
+
+ buf = malloc(BUF_SIZE);
+ ut_assertnonnull(buf);
+
+ ctx.current = buf;
+ ut_assertok(acpi_fill_ssdt(&ctx));
+ console_record_reset();
+ run_command("acpi items", 0);
+ ut_assert_nextline("dev 'acpi-test', type 1, size 2");
+ ut_assert_nextline("dev 'acpi-test2', type 1, size 2");
+ ut_assert_console_end();
+
+ ctx.current = buf;
+ ut_assertok(acpi_inject_dsdt(&ctx));
+ console_record_reset();
+ run_command("acpi items", 0);
+ ut_assert_nextline("dev 'acpi-test', type 2, size 2");
+ ut_assert_nextline("dev 'acpi-test2', type 2, size 2");
+ ut_assert_console_end();
+
+ console_record_reset();
+ run_command("acpi items -d", 0);
+ ut_assert_nextline("dev 'acpi-test', type 2, size 2");
+ ut_assert_nextlines_are_dump(2);
+ ut_assert_nextline("%s", "");
+ ut_assert_nextline("dev 'acpi-test2', type 2, size 2");
+ ut_assert_nextlines_are_dump(2);
+ ut_assert_nextline("%s", "");
+ ut_assert_console_end();
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_cmd_items, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
diff --git a/test/dm/acpi.h b/test/dm/acpi.h
new file mode 100644
index 0000000000..535db56b51
--- /dev/null
+++ b/test/dm/acpi.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Common functions for ACPI tests
+ *
+ * Copyright 2020 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#ifndef __TEST_DM_ACPI_H
+#define __TEST_DM_ACPI_H
+
+#define ACPI_TEST_DEV_NAME "ABCD"
+#define ACPI_TEST_CHILD_NAME "EFGH"
+
+/**
+ * acpi_test_alloc_context_size() - Allocate an ACPI context of a given size
+ *
+ * @ctxp: Returns allocated context
+ * @size: Size to allocate in bytes
+ * @return 0 if OK, -ENOMEM if out of memory
+ */
+int acpi_test_alloc_context_size(struct acpi_ctx **ctxp, int size);
+
+/**
+ * acpi_test_get_length() - decode a three-byte length field
+ *
+ * @ptr: Length encoded as per ACPI
+ * @return decoded length, or -EINVAL on error
+ */
+int acpi_test_get_length(u8 *ptr);
+
+#endif /*__TEST_DM_ACPI_H */
diff --git a/test/dm/acpi_dp.c b/test/dm/acpi_dp.c
new file mode 100644
index 0000000000..93604b87e1
--- /dev/null
+++ b/test/dm/acpi_dp.c
@@ -0,0 +1,492 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Tests for ACPI code generation via a device-property table
+ *
+ * Copyright 2019 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <uuid.h>
+#include <acpi/acpigen.h>
+#include <acpi/acpi_dp.h>
+#include <asm/unaligned.h>
+#include <dm/acpi.h>
+#include <dm/test.h>
+#include <test/ut.h>
+#include "acpi.h"
+
+/* Maximum size of the ACPI context needed for most tests */
+#define ACPI_CONTEXT_SIZE 500
+
+#define TEST_INT8 0x7d
+#define TEST_INT16 0x2345
+#define TEST_INT32 0x12345678
+#define TEST_INT64 0x4567890123456
+#define TEST_STR "testing acpi strings"
+#define TEST_REF "\\SB.I2C0.TPM2"
+#define EXPECT_REF "SB__I2C0TPM2"
+
+static int alloc_context(struct acpi_ctx **ctxp)
+{
+ return acpi_test_alloc_context_size(ctxp, ACPI_CONTEXT_SIZE);
+
+ return 0;
+}
+
+static void free_context(struct acpi_ctx **ctxp)
+{
+ free(*ctxp);
+ *ctxp = NULL;
+}
+
+/* Test emitting an empty table */
+static int dm_test_acpi_dp_new_table(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct acpi_dp *dp;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ dp = acpi_dp_new_table("FRED");
+ ut_assertnonnull(dp);
+
+ ptr = acpigen_get_current(ctx);
+ ut_assertok(acpi_dp_write(ctx, dp));
+ ut_asserteq(10, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(NAME_OP, *(u8 *)ptr);
+ ut_asserteq_strn("FRED", (char *)ptr + 1);
+ ut_asserteq(PACKAGE_OP, ptr[5]);
+ ut_asserteq(4, acpi_test_get_length(ptr + 6));
+ ut_asserteq(0, ptr[9]);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_dp_new_table, 0);
+
+/* Test emitting an integer */
+static int dm_test_acpi_dp_int(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ char uuid[UUID_STR_LEN + 1];
+ struct acpi_dp *dp;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ dp = acpi_dp_new_table("FRED");
+ ut_assertnonnull(dp);
+ ut_assertnonnull(acpi_dp_add_integer(dp, "MARY", TEST_INT32));
+
+ ptr = acpigen_get_current(ctx);
+ ut_assertok(acpi_dp_write(ctx, dp));
+ ut_asserteq(54, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(NAME_OP, *(u8 *)ptr);
+ ut_asserteq_strn("FRED", (char *)ptr + 1);
+ ut_asserteq(PACKAGE_OP, ptr[5]);
+ ut_asserteq(48, acpi_test_get_length(ptr + 6));
+ ut_asserteq(2, ptr[9]);
+
+ /* UUID */
+ ut_asserteq(BUFFER_OP, ptr[10]);
+ ut_asserteq(22, acpi_test_get_length(ptr + 11));
+ ut_asserteq(WORD_PREFIX, ptr[14]);
+ ut_asserteq(16, get_unaligned((u16 *)(ptr + 15)));
+ uuid_bin_to_str(ptr + 17, uuid, 1);
+ ut_asserteq_str(ACPI_DP_UUID, uuid);
+
+ /* Container package */
+ ut_asserteq(PACKAGE_OP, ptr[33]);
+ ut_asserteq(20, acpi_test_get_length(ptr + 34));
+ ut_asserteq(1, ptr[37]);
+
+ /* Package with name and (integer) value */
+ ut_asserteq(PACKAGE_OP, ptr[38]);
+ ut_asserteq(15, acpi_test_get_length(ptr + 39));
+ ut_asserteq(2, ptr[42]);
+ ut_asserteq(STRING_PREFIX, ptr[43]);
+ ut_asserteq_str("MARY", (char *)ptr + 44);
+
+ ut_asserteq(DWORD_PREFIX, ptr[49]);
+ ut_asserteq(TEST_INT32, get_unaligned((u32 *)(ptr + 50)));
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_dp_int, 0);
+
+/* Test emitting a 64-bit integer */
+static int dm_test_acpi_dp_int64(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct acpi_dp *dp;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ dp = acpi_dp_new_table("FRED");
+ ut_assertnonnull(dp);
+ ut_assertnonnull(acpi_dp_add_integer(dp, "MARY", TEST_INT64));
+
+ ptr = acpigen_get_current(ctx);
+ ut_assertok(acpi_dp_write(ctx, dp));
+ ut_asserteq(58, acpigen_get_current(ctx) - ptr);
+
+ ut_asserteq(QWORD_PREFIX, ptr[49]);
+ ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 50)));
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_dp_int64, 0);
+
+/* Test emitting a 16-bit integer */
+static int dm_test_acpi_dp_int16(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct acpi_dp *dp;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ dp = acpi_dp_new_table("FRED");
+ ut_assertnonnull(dp);
+ ut_assertnonnull(acpi_dp_add_integer(dp, "MARY", TEST_INT16));
+
+ ptr = acpigen_get_current(ctx);
+ ut_assertok(acpi_dp_write(ctx, dp));
+ ut_asserteq(52, acpigen_get_current(ctx) - ptr);
+
+ ut_asserteq(WORD_PREFIX, ptr[49]);
+ ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 50)));
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_dp_int16, 0);
+
+/* Test emitting a 8-bit integer */
+static int dm_test_acpi_dp_int8(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct acpi_dp *dp;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ dp = acpi_dp_new_table("FRED");
+ ut_assertnonnull(dp);
+ ut_assertnonnull(acpi_dp_add_integer(dp, "MARY", TEST_INT8));
+
+ ptr = acpigen_get_current(ctx);
+ ut_assertok(acpi_dp_write(ctx, dp));
+ ut_asserteq(51, acpigen_get_current(ctx) - ptr);
+
+ ut_asserteq(BYTE_PREFIX, ptr[49]);
+ ut_asserteq(TEST_INT8, ptr[50]);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_dp_int8, 0);
+
+/* Test emitting multiple values */
+static int dm_test_acpi_dp_multiple(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct acpi_dp *dp;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ dp = acpi_dp_new_table("FRED");
+ ut_assertnonnull(dp);
+ ut_assertnonnull(acpi_dp_add_integer(dp, "int16", TEST_INT16));
+ ut_assertnonnull(acpi_dp_add_string(dp, "str", TEST_STR));
+ ut_assertnonnull(acpi_dp_add_reference(dp, "ref", TEST_REF));
+
+ ptr = acpigen_get_current(ctx);
+ ut_assertok(acpi_dp_write(ctx, dp));
+ ut_asserteq(110, acpigen_get_current(ctx) - ptr);
+
+ ut_asserteq(WORD_PREFIX, ptr[0x32]);
+ ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 0x33)));
+ ut_asserteq(STRING_PREFIX, ptr[0x3f]);
+ ut_asserteq_str(TEST_STR, (char *)ptr + 0x40);
+ ut_asserteq(ROOT_PREFIX, ptr[0x5f]);
+ ut_asserteq(MULTI_NAME_PREFIX, ptr[0x60]);
+ ut_asserteq(3, ptr[0x61]);
+ ut_asserteq_strn(EXPECT_REF, (char *)ptr + 0x62);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_dp_multiple, 0);
+
+/* Test emitting an array */
+static int dm_test_acpi_dp_array(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct acpi_dp *dp;
+ u64 speed[4];
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ dp = acpi_dp_new_table("FRED");
+ ut_assertnonnull(dp);
+ speed[0] = TEST_INT8;
+ speed[1] = TEST_INT16;
+ speed[2] = TEST_INT32;
+ speed[3] = TEST_INT64;
+ ut_assertnonnull(acpi_dp_add_integer_array(dp, "speeds", speed,
+ ARRAY_SIZE(speed)));
+
+ ptr = acpigen_get_current(ctx);
+ ut_assertok(acpi_dp_write(ctx, dp));
+ ut_asserteq(75, acpigen_get_current(ctx) - ptr);
+
+ ut_asserteq(BYTE_PREFIX, ptr[0x38]);
+ ut_asserteq(TEST_INT8, ptr[0x39]);
+
+ ut_asserteq(WORD_PREFIX, ptr[0x3a]);
+ ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 0x3b)));
+
+ ut_asserteq(DWORD_PREFIX, ptr[0x3d]);
+ ut_asserteq(TEST_INT32, get_unaligned((u32 *)(ptr + 0x3e)));
+
+ ut_asserteq(QWORD_PREFIX, ptr[0x42]);
+ ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 0x43)));
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_dp_array, 0);
+
+/* Test emitting a child */
+static int dm_test_acpi_dp_child(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct acpi_dp *dp, *child1, *child2;
+ char uuid[UUID_STR_LEN + 1];
+ u8 *ptr, *pptr;
+ int i;
+
+ ut_assertok(alloc_context(&ctx));
+
+ child1 = acpi_dp_new_table("child");
+ ut_assertnonnull(child1);
+ ut_assertnonnull(acpi_dp_add_integer(child1, "height", TEST_INT16));
+
+ child2 = acpi_dp_new_table("child");
+ ut_assertnonnull(child2);
+ ut_assertnonnull(acpi_dp_add_integer(child2, "age", TEST_INT8));
+
+ dp = acpi_dp_new_table("FRED");
+ ut_assertnonnull(dp);
+
+ ut_assertnonnull(acpi_dp_add_child(dp, "anna", child1));
+ ut_assertnonnull(acpi_dp_add_child(dp, "john", child2));
+
+ ptr = acpigen_get_current(ctx);
+ ut_assertok(acpi_dp_write(ctx, dp));
+ ut_asserteq(178, acpigen_get_current(ctx) - ptr);
+
+ /* UUID for child extension using Hierarchical Data Extension UUID */
+ ut_asserteq(BUFFER_OP, ptr[10]);
+ ut_asserteq(22, acpi_test_get_length(ptr + 11));
+ ut_asserteq(WORD_PREFIX, ptr[14]);
+ ut_asserteq(16, get_unaligned((u16 *)(ptr + 15)));
+ uuid_bin_to_str(ptr + 17, uuid, 1);
+ ut_asserteq_str(ACPI_DP_CHILD_UUID, uuid);
+
+ /* Package with two children */
+ ut_asserteq(PACKAGE_OP, ptr[0x21]);
+ ut_asserteq(0x28, acpi_test_get_length(ptr + 0x22));
+ ut_asserteq(2, ptr[0x25]);
+
+ /* First we expect the two children as string/value */
+ pptr = ptr + 0x26;
+ for (i = 0; i < 2; i++) {
+ ut_asserteq(PACKAGE_OP, pptr[0]);
+ ut_asserteq(0x11, acpi_test_get_length(pptr + 1));
+ ut_asserteq(2, pptr[4]);
+ ut_asserteq(STRING_PREFIX, pptr[5]);
+ ut_asserteq_str(i ? "john" : "anna", (char *)pptr + 6);
+ ut_asserteq(STRING_PREFIX, pptr[11]);
+ ut_asserteq_str("child", (char *)pptr + 12);
+ pptr += 0x12;
+ }
+
+ /* Write the two children */
+ ut_asserteq(0x4a, pptr - ptr);
+ for (i = 0; i < 2; i++) {
+ const char *prop = i ? "age" : "height";
+ const int datalen = i ? 1 : 2;
+ int len = strlen(prop) + 1;
+
+ ut_asserteq(NAME_OP, pptr[0]);
+ ut_asserteq_strn("chil", (char *)pptr + 1);
+ ut_asserteq(PACKAGE_OP, pptr[5]);
+ ut_asserteq(0x27 + len + datalen, acpi_test_get_length(pptr + 6));
+ ut_asserteq(2, pptr[9]);
+
+ /* UUID */
+ ut_asserteq(BUFFER_OP, pptr[10]);
+ ut_asserteq(22, acpi_test_get_length(pptr + 11));
+ ut_asserteq(WORD_PREFIX, pptr[14]);
+ ut_asserteq(16, get_unaligned((u16 *)(pptr + 15)));
+ uuid_bin_to_str(pptr + 17, uuid, 1);
+ ut_asserteq_str(ACPI_DP_UUID, uuid);
+ pptr += 33;
+
+ /* Containing package */
+ ut_asserteq(i ? 0xa1 : 0x6b, pptr - ptr);
+ ut_asserteq(PACKAGE_OP, pptr[0]);
+ ut_asserteq(0xb + len + datalen, acpi_test_get_length(pptr + 1));
+ ut_asserteq(1, pptr[4]);
+
+ /* Package containing the property-name string and the value */
+ pptr += 5;
+ ut_asserteq(i ? 0xa6 : 0x70, pptr - ptr);
+ ut_asserteq(PACKAGE_OP, pptr[0]);
+ ut_asserteq(6 + len + datalen, acpi_test_get_length(pptr + 1));
+ ut_asserteq(2, pptr[4]);
+
+ ut_asserteq(STRING_PREFIX, pptr[5]);
+ ut_asserteq_str(i ? "age" : "height", (char *)pptr + 6);
+ pptr += 6 + len;
+ if (i) {
+ ut_asserteq(BYTE_PREFIX, pptr[0]);
+ ut_asserteq(TEST_INT8, pptr[1]);
+ } else {
+ ut_asserteq(WORD_PREFIX, pptr[0]);
+ ut_asserteq(TEST_INT16,
+ get_unaligned((u16 *)(pptr + 1)));
+ }
+ pptr += 1 + datalen;
+ }
+ ut_asserteq(178, pptr - ptr);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_dp_child, 0);
+
+/* Test emitting a GPIO */
+static int dm_test_acpi_dp_gpio(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct acpi_dp *dp;
+ u8 *ptr, *pptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ dp = acpi_dp_new_table("FRED");
+ ut_assertnonnull(dp);
+
+ /* Try a few different parameters */
+ ut_assertnonnull(acpi_dp_add_gpio(dp, "reset", TEST_REF, 0x23, 0x24,
+ ACPI_IRQ_ACTIVE_HIGH));
+ ut_assertnonnull(acpi_dp_add_gpio(dp, "allow", TEST_REF, 0, 0,
+ ACPI_IRQ_ACTIVE_LOW));
+
+ ptr = acpigen_get_current(ctx);
+ ut_assertok(acpi_dp_write(ctx, dp));
+ ut_asserteq(0x6e, acpigen_get_current(ctx) - ptr);
+
+ pptr = ptr + 0x2c; //0x3a;
+ ut_asserteq_str("reset", (char *)pptr);
+ ut_asserteq_strn(EXPECT_REF, (char *)pptr + 0xe);
+ ut_asserteq(0x23, pptr[0x1b]);
+ ut_asserteq(0x24, pptr[0x1d]);
+ ut_asserteq(ZERO_OP, pptr[0x1e]);
+
+ pptr = ptr + 0x51;
+ ut_asserteq_str("allow", (char *)pptr);
+ ut_asserteq_strn(EXPECT_REF, (char *)pptr + 0xe);
+ ut_asserteq(ZERO_OP, pptr[0x1a]);
+ ut_asserteq(ZERO_OP, pptr[0x1b]);
+ ut_asserteq(ONE_OP, pptr[0x1c]);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_dp_gpio, 0);
+
+/* Test copying info from the device tree to ACPI tables */
+static int dm_test_acpi_dp_copy(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct udevice *dev;
+ struct acpi_dp *dp;
+ ofnode node;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ dp = acpi_dp_new_table("FRED");
+ ut_assertnonnull(dp);
+
+ ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
+ ut_asserteq_str("a-test", dev->name);
+
+ ut_assertok(acpi_dp_dev_copy_int(dev, dp, "int-value"));
+ ut_asserteq(-EINVAL, acpi_dp_dev_copy_int(dev, dp, "missing-value"));
+ ut_assertok(acpi_dp_dev_copy_int(dev, dp, "uint-value"));
+
+ ut_assertok(acpi_dp_dev_copy_str(dev, dp, "str-value"));
+ ut_asserteq(-EINVAL, acpi_dp_dev_copy_str(dev, dp, "missing-value"));
+
+ node = ofnode_path("/chosen");
+ ut_assert(ofnode_valid(node));
+ ut_assertok(acpi_dp_ofnode_copy_int(node, dp, "int-values"));
+ ut_asserteq(-EINVAL,
+ acpi_dp_ofnode_copy_int(node, dp, "missing-value"));
+
+ ut_assertok(acpi_dp_ofnode_copy_str(node, dp, "setting"));
+ ut_asserteq(-EINVAL,
+ acpi_dp_ofnode_copy_str(node, dp, "missing-value"));
+
+ ptr = acpigen_get_current(ctx);
+ ut_assertok(acpi_dp_write(ctx, dp));
+ ut_asserteq(0x9d, acpigen_get_current(ctx) - ptr);
+
+ ut_asserteq(STRING_PREFIX, ptr[0x2b]);
+ ut_asserteq_str("int-value", (char *)ptr + 0x2c);
+ ut_asserteq(WORD_PREFIX, ptr[0x36]);
+ ut_asserteq(1234, get_unaligned((u16 *)(ptr + 0x37)));
+
+ ut_asserteq(STRING_PREFIX, ptr[0x3e]);
+ ut_asserteq_str("uint-value", (char *)ptr + 0x3f);
+ ut_asserteq(DWORD_PREFIX, ptr[0x4a]);
+ ut_asserteq(-1234, get_unaligned((u32 *)(ptr + 0x4b)));
+
+ ut_asserteq(STRING_PREFIX, ptr[0x54]);
+ ut_asserteq_str("str-value", (char *)ptr + 0x55);
+ ut_asserteq(STRING_PREFIX, ptr[0x5f]);
+ ut_asserteq_str("test string", (char *)ptr + 0x60);
+
+ ut_asserteq(STRING_PREFIX, ptr[0x71]);
+ ut_asserteq_str("int-values", (char *)ptr + 0x72);
+ ut_asserteq(WORD_PREFIX, ptr[0x7d]);
+ ut_asserteq(0x1937, get_unaligned((u16 *)(ptr + 0x7e)));
+
+ ut_asserteq(STRING_PREFIX, ptr[0x85]);
+ ut_asserteq_str("setting", (char *)ptr + 0x86);
+ ut_asserteq(STRING_PREFIX, ptr[0x8e]);
+ ut_asserteq_str("sunrise ohoka", (char *)(ptr + 0x8f));
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_dp_copy, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
diff --git a/test/dm/acpigen.c b/test/dm/acpigen.c
new file mode 100644
index 0000000000..14a758d08a
--- /dev/null
+++ b/test/dm/acpigen.c
@@ -0,0 +1,1099 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Tests for ACPI code generation
+ *
+ * Copyright 2019 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <irq.h>
+#include <malloc.h>
+#include <acpi/acpigen.h>
+#include <acpi/acpi_device.h>
+#include <acpi/acpi_table.h>
+#include <asm/gpio.h>
+#include <asm/unaligned.h>
+#include <dm/acpi.h>
+#include <dm/test.h>
+#include <dm/uclass-internal.h>
+#include <test/ut.h>
+#include "acpi.h"
+
+/* Maximum size of the ACPI context needed for most tests */
+#define ACPI_CONTEXT_SIZE 150
+
+#define TEST_STRING "frogmore"
+#define TEST_STRING2 "ranch"
+#define TEST_STREAM2 "\xfa\xde"
+
+#define TEST_INT8 0x7d
+#define TEST_INT16 0x2345
+#define TEST_INT32 0x12345678
+#define TEST_INT64 0x4567890123456
+
+int acpi_test_alloc_context_size(struct acpi_ctx **ctxp, int size)
+{
+ struct acpi_ctx *ctx;
+
+ *ctxp = NULL;
+ ctx = malloc(sizeof(*ctx));
+ if (!ctx)
+ return -ENOMEM;
+ ctx->base = malloc(size);
+ if (!ctx->base) {
+ free(ctx);
+ return -ENOMEM;
+ }
+ ctx->ltop = 0;
+ ctx->current = ctx->base;
+ *ctxp = ctx;
+
+ return 0;
+}
+
+int acpi_test_get_length(u8 *ptr)
+{
+ if (!(*ptr & 0x80))
+ return -EINVAL;
+
+ return (*ptr & 0xf) | ptr[1] << 4 | ptr[2] << 12;
+}
+
+static int alloc_context(struct acpi_ctx **ctxp)
+{
+ return acpi_test_alloc_context_size(ctxp, ACPI_CONTEXT_SIZE);
+}
+
+static void free_context(struct acpi_ctx **ctxp)
+{
+ free((*ctxp)->base);
+ free(*ctxp);
+ *ctxp = NULL;
+}
+
+/* Test emitting simple types and acpigen_get_current() */
+static int dm_test_acpi_emit_simple(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+ acpigen_emit_byte(ctx, 0x23);
+ ut_asserteq(1, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(0x23, *(u8 *)ptr);
+
+ acpigen_emit_word(ctx, 0x1234);
+ ut_asserteq(3, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(0x1234, get_unaligned((u16 *)(ptr + 1)));
+
+ acpigen_emit_dword(ctx, 0x87654321);
+ ut_asserteq(7, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(0x87654321, get_unaligned((u32 *)(ptr + 3)));
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_emit_simple, 0);
+
+/* Test emitting a stream */
+static int dm_test_acpi_emit_stream(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+ acpigen_emit_stream(ctx, TEST_STREAM2, 2);
+ ut_asserteq(2, acpigen_get_current(ctx) - ptr);
+ ut_asserteq((u8)TEST_STREAM2[0], ptr[0]);
+ ut_asserteq((u8)TEST_STREAM2[1], ptr[1]);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_emit_stream, 0);
+
+/* Test emitting a string */
+static int dm_test_acpi_emit_string(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+ acpigen_emit_string(ctx, TEST_STRING);
+ ut_asserteq(sizeof(TEST_STRING), acpigen_get_current(ctx) - ptr);
+ ut_asserteq_str(TEST_STRING, (char *)ptr);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_emit_string, 0);
+
+/* Test emitting an interrupt descriptor */
+static int dm_test_acpi_interrupt(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct udevice *dev;
+ struct irq irq;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
+ ut_assertok(irq_get_by_index(dev, 0, &irq));
+
+ /* See a-test, property interrupts-extended in the device tree */
+ ut_asserteq(3, acpi_device_write_interrupt_irq(ctx, &irq));
+ ut_asserteq(9, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(ACPI_DESCRIPTOR_INTERRUPT, ptr[0]);
+ ut_asserteq(6, get_unaligned((u16 *)(ptr + 1)));
+ ut_asserteq(0x19, ptr[3]);
+ ut_asserteq(1, ptr[4]);
+ ut_asserteq(3, get_unaligned((u32 *)(ptr + 5)));
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_interrupt, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test emitting a GPIO descriptor */
+static int dm_test_acpi_gpio(struct unit_test_state *uts)
+{
+ struct gpio_desc desc;
+ struct acpi_ctx *ctx;
+ struct udevice *dev;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ 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));
+
+ /* This should write GPIO pin 4 (see device tree test.dts ) */
+ ut_asserteq(4, acpi_device_write_gpio_desc(ctx, &desc));
+ ut_asserteq(35, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(ACPI_DESCRIPTOR_GPIO, ptr[0]);
+ ut_asserteq(32, get_unaligned((u16 *)(ptr + 1)));
+ ut_asserteq(ACPI_GPIO_REVISION_ID, ptr[3]);
+ ut_asserteq(ACPI_GPIO_TYPE_IO, ptr[4]);
+ ut_asserteq(1, get_unaligned((u16 *)(ptr + 5)));
+ ut_asserteq(9, get_unaligned((u16 *)(ptr + 7)));
+ ut_asserteq(ACPI_GPIO_PULL_UP, ptr[9]);
+ ut_asserteq(1234, get_unaligned((u16 *)(ptr + 10)));
+ ut_asserteq(0, get_unaligned((u16 *)(ptr + 12)));
+ ut_asserteq(23, get_unaligned((u16 *)(ptr + 14)));
+ ut_asserteq(0, ptr[16]);
+ ut_asserteq(25, get_unaligned((u16 *)(ptr + 17)));
+ ut_asserteq(35, get_unaligned((u16 *)(ptr + 19)));
+ ut_asserteq(0, get_unaligned((u16 *)(ptr + 21)));
+
+ /* pin0 */
+ ut_asserteq(4, get_unaligned((u16 *)(ptr + 23)));
+
+ ut_asserteq_str("\\_SB.PINC", (char *)ptr + 25);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_gpio, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test emitting a GPIO descriptor with an interrupt */
+static int dm_test_acpi_gpio_irq(struct unit_test_state *uts)
+{
+ struct gpio_desc desc;
+ struct acpi_ctx *ctx;
+ struct udevice *dev;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
+ ut_asserteq_str("a-test", dev->name);
+ ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &desc, 0));
+
+ /* This should write GPIO pin 6 (see device tree test.dts ) */
+ ut_asserteq(6, acpi_device_write_gpio_desc(ctx, &desc));
+ ut_asserteq(35, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(ACPI_DESCRIPTOR_GPIO, ptr[0]);
+ ut_asserteq(32, get_unaligned((u16 *)(ptr + 1)));
+ ut_asserteq(ACPI_GPIO_REVISION_ID, ptr[3]);
+ ut_asserteq(ACPI_GPIO_TYPE_INTERRUPT, ptr[4]);
+ ut_asserteq(1, get_unaligned((u16 *)(ptr + 5)));
+ ut_asserteq(29, get_unaligned((u16 *)(ptr + 7)));
+ ut_asserteq(ACPI_GPIO_PULL_DOWN, ptr[9]);
+ ut_asserteq(0, get_unaligned((u16 *)(ptr + 10)));
+ ut_asserteq(4321, get_unaligned((u16 *)(ptr + 12)));
+ ut_asserteq(23, get_unaligned((u16 *)(ptr + 14)));
+ ut_asserteq(0, ptr[16]);
+ ut_asserteq(25, get_unaligned((u16 *)(ptr + 17)));
+ ut_asserteq(35, get_unaligned((u16 *)(ptr + 19)));
+ ut_asserteq(0, get_unaligned((u16 *)(ptr + 21)));
+
+ /* pin0 */
+ ut_asserteq(6, get_unaligned((u16 *)(ptr + 23)));
+
+ ut_asserteq_str("\\_SB.PINC", (char *)ptr + 25);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_gpio_irq, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test emitting either a GPIO or interrupt descriptor */
+static int dm_test_acpi_interrupt_or_gpio(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct udevice *dev;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ /* This should produce an interrupt, even though it also has a GPIO */
+ ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
+ ut_asserteq_str("a-test", dev->name);
+ ut_asserteq(3, acpi_device_write_interrupt_or_gpio(ctx, dev,
+ "test2-gpios"));
+ ut_asserteq(ACPI_DESCRIPTOR_INTERRUPT, ptr[0]);
+
+ /* This has no interrupt so should produce a GPIO */
+ ptr = ctx->current;
+ ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &dev));
+ ut_asserteq(1, acpi_device_write_interrupt_or_gpio(ctx, dev,
+ "enable-gpios"));
+ ut_asserteq(ACPI_DESCRIPTOR_GPIO, ptr[0]);
+
+ /* This one has neither */
+ ptr = acpigen_get_current(ctx);
+ ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 3, &dev));
+ ut_asserteq_str("b-test", dev->name);
+ ut_asserteq(-ENOENT,
+ acpi_device_write_interrupt_or_gpio(ctx, dev,
+ "enable-gpios"));
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_interrupt_or_gpio,
+ DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test emitting an I2C descriptor */
+static int dm_test_acpi_i2c(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct udevice *dev;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev));
+ ut_asserteq(0x43, acpi_device_write_i2c_dev(ctx, dev));
+ ut_asserteq(28, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(ACPI_DESCRIPTOR_SERIAL_BUS, ptr[0]);
+ ut_asserteq(25, get_unaligned((u16 *)(ptr + 1)));
+ ut_asserteq(ACPI_I2C_SERIAL_BUS_REVISION_ID, ptr[3]);
+ ut_asserteq(0, ptr[4]);
+ ut_asserteq(ACPI_SERIAL_BUS_TYPE_I2C, ptr[5]);
+ ut_asserteq(0, get_unaligned((u16 *)(ptr + 7)));
+ ut_asserteq(ACPI_I2C_TYPE_SPECIFIC_REVISION_ID, ptr[9]);
+ ut_asserteq(6, get_unaligned((u16 *)(ptr + 10)));
+ ut_asserteq(100000, get_unaligned((u32 *)(ptr + 12)));
+ ut_asserteq(0x43, get_unaligned((u16 *)(ptr + 16)));
+ ut_asserteq_str("\\_SB.I2C0", (char *)ptr + 18);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_i2c, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test emitting a SPI descriptor */
+static int dm_test_acpi_spi(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ struct udevice *dev;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ ut_assertok(uclass_first_device_err(UCLASS_SPI_FLASH, &dev));
+ ut_assertok(acpi_device_write_spi_dev(ctx, dev));
+ ut_asserteq(31, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(ACPI_DESCRIPTOR_SERIAL_BUS, ptr[0]);
+ ut_asserteq(28, get_unaligned((u16 *)(ptr + 1)));
+ ut_asserteq(ACPI_SPI_SERIAL_BUS_REVISION_ID, ptr[3]);
+ ut_asserteq(0, ptr[4]);
+ ut_asserteq(ACPI_SERIAL_BUS_TYPE_SPI, ptr[5]);
+ ut_asserteq(2, ptr[6]);
+ ut_asserteq(0, get_unaligned((u16 *)(ptr + 7)));
+ ut_asserteq(ACPI_SPI_TYPE_SPECIFIC_REVISION_ID, ptr[9]);
+ ut_asserteq(9, get_unaligned((u16 *)(ptr + 10)));
+ ut_asserteq(40000000, get_unaligned((u32 *)(ptr + 12)));
+ ut_asserteq(8, ptr[16]);
+ ut_asserteq(0, ptr[17]);
+ ut_asserteq(0, ptr[18]);
+ ut_asserteq(0, get_unaligned((u16 *)(ptr + 19)));
+ ut_asserteq_str("\\_SB.SPI0", (char *)ptr + 21);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_spi, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test emitting a length */
+static int dm_test_acpi_len(struct unit_test_state *uts)
+{
+ const int size = 0xc0000;
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+ int i;
+
+ ut_assertok(acpi_test_alloc_context_size(&ctx, size));
+
+ ptr = acpigen_get_current(ctx);
+
+ /* Write a byte and a 3-byte length */
+ acpigen_write_len_f(ctx);
+ acpigen_emit_byte(ctx, 0x23);
+ acpigen_pop_len(ctx);
+ ut_asserteq(1 + 3, acpi_test_get_length(ptr));
+
+ /* Write 200 bytes so we need two length bytes */
+ ptr = ctx->current;
+ acpigen_write_len_f(ctx);
+ for (i = 0; i < 200; i++)
+ acpigen_emit_byte(ctx, 0x23);
+ acpigen_pop_len(ctx);
+ ut_asserteq(200 + 3, acpi_test_get_length(ptr));
+
+ /* Write 40KB so we need three length bytes */
+ ptr = ctx->current;
+ acpigen_write_len_f(ctx);
+ for (i = 0; i < 40000; i++)
+ acpigen_emit_byte(ctx, 0x23);
+ acpigen_pop_len(ctx);
+ ut_asserteq(40000 + 3, acpi_test_get_length(ptr));
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_len, 0);
+
+/* Test writing a package */
+static int dm_test_acpi_package(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ char *num_elements;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ num_elements = acpigen_write_package(ctx, 3);
+ ut_asserteq_ptr(num_elements, ptr + 4);
+
+ /* For ease of testing, just emit a byte, not valid package contents */
+ acpigen_emit_byte(ctx, 0x23);
+ acpigen_pop_len(ctx);
+ ut_asserteq(PACKAGE_OP, ptr[0]);
+ ut_asserteq(5, acpi_test_get_length(ptr + 1));
+ ut_asserteq(3, ptr[4]);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_package, 0);
+
+/* Test writing an integer */
+static int dm_test_acpi_integer(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ acpigen_write_integer(ctx, 0);
+ acpigen_write_integer(ctx, 1);
+ acpigen_write_integer(ctx, TEST_INT8);
+ acpigen_write_integer(ctx, TEST_INT16);
+ acpigen_write_integer(ctx, TEST_INT32);
+ acpigen_write_integer(ctx, TEST_INT64);
+
+ ut_asserteq(6 + 1 + 2 + 4 + 8, acpigen_get_current(ctx) - ptr);
+
+ ut_asserteq(ZERO_OP, ptr[0]);
+
+ ut_asserteq(ONE_OP, ptr[1]);
+
+ ut_asserteq(BYTE_PREFIX, ptr[2]);
+ ut_asserteq(TEST_INT8, ptr[3]);
+
+ ut_asserteq(WORD_PREFIX, ptr[4]);
+ ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 5)));
+
+ ut_asserteq(DWORD_PREFIX, ptr[7]);
+ ut_asserteq(TEST_INT32, get_unaligned((u32 *)(ptr + 8)));
+
+ ut_asserteq(QWORD_PREFIX, ptr[12]);
+ ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 13)));
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_integer, 0);
+
+/* Test writing a string */
+static int dm_test_acpi_string(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ acpigen_write_string(ctx, TEST_STRING);
+ acpigen_write_string(ctx, TEST_STRING2);
+
+ ut_asserteq(2 + sizeof(TEST_STRING) + sizeof(TEST_STRING2),
+ acpigen_get_current(ctx) - ptr);
+ ut_asserteq(STRING_PREFIX, ptr[0]);
+ ut_asserteq_str(TEST_STRING, (char *)ptr + 1);
+ ptr += 1 + sizeof(TEST_STRING);
+ ut_asserteq(STRING_PREFIX, ptr[0]);
+ ut_asserteq_str(TEST_STRING2, (char *)ptr + 1);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_string, 0);
+
+/* Test writing a name */
+static int dm_test_acpi_name(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ /*
+ * The names here are made up for testing the various cases. The
+ * grammar is in the ACPI spec 6.3 section 19.2.2
+ */
+ acpigen_write_name(ctx, "\\_SB");
+ acpigen_write_name(ctx, "\\_SB.I2C0");
+ acpigen_write_name(ctx, "\\_SB.I2C0.TPM2");
+ acpigen_write_name(ctx, "\\_SB.I2C0.TPM2.LONG");
+ acpigen_write_name(ctx, "^^^^SPI0.FLAS");
+ acpigen_write_name(ctx, "NN");
+ acpigen_write_name(ctx, "^AB.CD.D.EFG");
+ acpigen_write_name(ctx, "^^^^");
+ acpigen_write_name(ctx, "\\");
+ acpigen_write_name(ctx, "\\ABCD");
+
+ ut_asserteq(107, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(NAME_OP, ptr[0]);
+ ut_asserteq_strn("\\_SB_", (char *)ptr + 1);
+ ptr += 6;
+
+ ut_asserteq(NAME_OP, ptr[0]);
+ ut_asserteq('\\', ptr[1]);
+ ut_asserteq(DUAL_NAME_PREFIX, ptr[2]);
+ ut_asserteq_strn("_SB_I2C0", (char *)ptr + 3);
+ ptr += 11;
+
+ ut_asserteq(NAME_OP, ptr[0]);
+ ut_asserteq('\\', ptr[1]);
+ ut_asserteq(MULTI_NAME_PREFIX, ptr[2]);
+ ut_asserteq(3, ptr[3]);
+ ut_asserteq_strn("_SB_I2C0TPM2", (char *)ptr + 4);
+ ptr += 16;
+
+ ut_asserteq(NAME_OP, ptr[0]);
+ ut_asserteq('\\', ptr[1]);
+ ut_asserteq(MULTI_NAME_PREFIX, ptr[2]);
+ ut_asserteq(4, ptr[3]);
+ ut_asserteq_strn("_SB_I2C0TPM2LONG", (char *)ptr + 4);
+ ptr += 20;
+
+ ut_asserteq(NAME_OP, ptr[0]);
+ ut_asserteq('^', ptr[1]);
+ ut_asserteq('^', ptr[2]);
+ ut_asserteq('^', ptr[3]);
+ ut_asserteq('^', ptr[4]);
+ ut_asserteq(DUAL_NAME_PREFIX, ptr[5]);
+ ut_asserteq_strn("SPI0FLAS", (char *)ptr + 6);
+ ptr += 14;
+
+ ut_asserteq(NAME_OP, ptr[0]);
+ ut_asserteq_strn("NN__", (char *)ptr + 1);
+ ptr += 5;
+
+ ut_asserteq(NAME_OP, ptr[0]);
+ ut_asserteq('^', ptr[1]);
+ ut_asserteq(MULTI_NAME_PREFIX, ptr[2]);
+ ut_asserteq(4, ptr[3]);
+ ut_asserteq_strn("AB__CD__D___EFG_", (char *)ptr + 4);
+ ptr += 20;
+
+ ut_asserteq(NAME_OP, ptr[0]);
+ ut_asserteq('^', ptr[1]);
+ ut_asserteq('^', ptr[2]);
+ ut_asserteq('^', ptr[3]);
+ ut_asserteq('^', ptr[4]);
+ ut_asserteq(ZERO_OP, ptr[5]);
+ ptr += 6;
+
+ ut_asserteq(NAME_OP, ptr[0]);
+ ut_asserteq('\\', ptr[1]);
+ ut_asserteq(ZERO_OP, ptr[2]);
+ ptr += 3;
+
+ ut_asserteq(NAME_OP, ptr[0]);
+ ut_asserteq_strn("\\ABCD", (char *)ptr + 1);
+ ptr += 5;
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_name, 0);
+
+/* Test writing a UUID */
+static int dm_test_acpi_uuid(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ ut_assertok(acpigen_write_uuid(ctx,
+ "dbb8e3e6-5886-4ba6-8795-1319f52a966b"));
+ ut_asserteq(23, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(BUFFER_OP, ptr[0]);
+ ut_asserteq(22, acpi_test_get_length(ptr + 1));
+ ut_asserteq(0xdbb8e3e6, get_unaligned((u32 *)(ptr + 7)));
+ ut_asserteq(0x5886, get_unaligned((u16 *)(ptr + 11)));
+ ut_asserteq(0x4ba6, get_unaligned((u16 *)(ptr + 13)));
+ ut_asserteq(0x9587, get_unaligned((u16 *)(ptr + 15)));
+ ut_asserteq(0x2af51913, get_unaligned((u32 *)(ptr + 17)));
+ ut_asserteq(0x6b96, get_unaligned((u16 *)(ptr + 21)));
+
+ /* Try a bad UUID */
+ ut_asserteq(-EINVAL,
+ acpigen_write_uuid(ctx,
+ "dbb8e3e6-5886-4ba6x8795-1319f52a966b"));
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_uuid, 0);
+
+/* Test writing misc ACPI codes */
+static int dm_test_acpi_misc(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ const int flags = 3;
+ const int nargs = 4;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+ acpigen_write_sleep(ctx, TEST_INT64);
+ ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 3)));
+ ptr += 11;
+
+ acpigen_write_store(ctx);
+ ut_asserteq(STORE_OP, *ptr);
+ ptr++;
+
+ acpigen_write_debug_string(ctx, TEST_STRING);
+ ut_asserteq_str(TEST_STRING, (char *)ptr + 2);
+ ptr += 2 + sizeof(TEST_STRING);
+ ut_asserteq(EXT_OP_PREFIX, ptr[0]);
+ ut_asserteq(DEBUG_OP, ptr[1]);
+ ptr += 2;
+
+ acpigen_write_sta(ctx, flags);
+ ut_asserteq(METHOD_OP, ptr[0]);
+ ut_asserteq(11, acpi_test_get_length(ptr + 1));
+ ut_asserteq_strn("_STA", (char *)ptr + 4);
+ ut_asserteq(0, ptr[8]);
+ ut_asserteq(RETURN_OP, ptr[9]);
+ ut_asserteq(BYTE_PREFIX, ptr[10]);
+ ut_asserteq(flags, ptr[11]);
+ ptr += 12;
+
+ acpigen_write_sleep(ctx, TEST_INT16);
+ ut_asserteq(SLEEP_OP, ptr[1]);
+ ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 3)));
+ ptr += 5;
+
+ acpigen_write_method_serialized(ctx, "FRED", nargs);
+ ut_asserteq(METHOD_OP, ptr[0]);
+ ut_asserteq_strn("FRED", (char *)ptr + 4);
+ ut_asserteq(1 << 3 | nargs, ptr[8]);
+ ut_asserteq(1, ctx->ltop); /* method is unfinished */
+
+ ptr += 9;
+ acpigen_write_or(ctx, LOCAL0_OP, LOCAL1_OP, LOCAL2_OP);
+ acpigen_write_and(ctx, LOCAL3_OP, LOCAL4_OP, LOCAL5_OP);
+ acpigen_write_not(ctx, LOCAL6_OP, LOCAL7_OP);
+ ut_asserteq(OR_OP, ptr[0]);
+ ut_asserteq(LOCAL0_OP, ptr[1]);
+ ut_asserteq(LOCAL1_OP, ptr[2]);
+ ut_asserteq(LOCAL2_OP, ptr[3]);
+
+ ptr += 4;
+ ut_asserteq(AND_OP, ptr[0]);
+ ut_asserteq(LOCAL3_OP, ptr[1]);
+ ut_asserteq(LOCAL4_OP, ptr[2]);
+ ut_asserteq(LOCAL5_OP, ptr[3]);
+
+ ptr += 4;
+ ut_asserteq(NOT_OP, ptr[0]);
+ ut_asserteq(LOCAL6_OP, ptr[1]);
+ ut_asserteq(LOCAL7_OP, ptr[2]);
+ ptr += 3;
+ ut_asserteq_ptr(ptr, ctx->current);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_misc, 0);
+
+/* Test writing an ACPI power resource */
+static int dm_test_acpi_power_res(struct unit_test_state *uts)
+{
+ const char *const states[] = { "_PR0", "_PR3" };
+ const char *name = "PRIC";
+ const int level = 3;
+ const int order = 2;
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ptr = acpigen_get_current(ctx);
+
+ /* PowerResource (PRIC, 0, 0) */
+ acpigen_write_power_res(ctx, name, level, order, states,
+ ARRAY_SIZE(states));
+ ut_asserteq(0x28, acpigen_get_current(ctx) - ptr);
+ ut_asserteq(NAME_OP, ptr[0]);
+ ut_asserteq_strn(states[0], (char *)ptr + 1);
+ ut_asserteq(8, acpi_test_get_length(ptr + 6));
+ ut_asserteq_strn(name, (char *)ptr + 0xa);
+
+ ut_asserteq_strn(states[1], (char *)ptr + 0xf);
+ ut_asserteq(8, acpi_test_get_length(ptr + 0x14));
+ ut_asserteq_strn(name, (char *)ptr + 0x18);
+
+ ut_asserteq(POWER_RES_OP, ptr[0x1d]);
+ ut_asserteq_strn(name, (char *)ptr + 0x21);
+ ut_asserteq(level, ptr[0x25]);
+ ut_asserteq(order, get_unaligned((u16 *)(ptr + 0x26)));
+
+ /* The length is not set - caller must use acpigen_pop_len() */
+ ut_asserteq(1, ctx->ltop);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_power_res, 0);
+
+/* Test writing ACPI code to toggle a GPIO */
+static int dm_test_acpi_gpio_toggle(struct unit_test_state *uts)
+{
+ const uint addr = 0x80012;
+ const int txbit = BIT(2);
+ struct gpio_desc desc;
+ struct acpi_gpio gpio;
+ struct acpi_ctx *ctx;
+ struct udevice *dev;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+
+ ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
+ ut_asserteq_str("a-test", dev->name);
+ ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &desc, 0));
+ ut_assertok(gpio_get_acpi(&desc, &gpio));
+
+ /* Spot-check the results - see sb_gpio_get_acpi() */
+ ptr = acpigen_get_current(ctx);
+ acpigen_set_enable_tx_gpio(ctx, txbit, "\\_SB.GPC0", "\\_SB.SPC0",
+ &gpio, true);
+ acpigen_set_enable_tx_gpio(ctx, txbit, "\\_SB.GPC0", "\\_SB.SPC0",
+ &gpio, false);
+
+ /* Since this GPIO is active low, we expect it to be cleared here */
+ ut_asserteq(STORE_OP, *ptr);
+ ut_asserteq_strn("_SB_GPC0", (char *)ptr + 3);
+ ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0xc)));
+ ut_asserteq(LOCAL5_OP, ptr[0x10]);
+
+ ut_asserteq(STORE_OP, ptr[0x11]);
+ ut_asserteq(BYTE_PREFIX, ptr[0x12]);
+ ut_asserteq(txbit, ptr[0x13]);
+ ut_asserteq(LOCAL0_OP, ptr[0x14]);
+
+ ut_asserteq(NOT_OP, ptr[0x15]);
+ ut_asserteq(LOCAL0_OP, ptr[0x16]);
+ ut_asserteq(LOCAL6_OP, ptr[0x17]);
+ ut_asserteq(AND_OP, ptr[0x18]);
+ ut_asserteq_strn("_SB_SPC0", (char *)ptr + 0x1e);
+ ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0x27)));
+ ut_asserteq(LOCAL5_OP, ptr[0x2b]);
+
+ /* Now the second one, which should be set */
+ ut_asserteq_strn("_SB_GPC0", (char *)ptr + 0x2f);
+ ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0x38)));
+ ut_asserteq(LOCAL5_OP, ptr[0x3c]);
+
+ ut_asserteq(STORE_OP, ptr[0x3d]);
+
+ ut_asserteq(OR_OP, ptr[0x41]);
+ ut_asserteq(LOCAL0_OP, ptr[0x43]);
+ ut_asserteq_strn("_SB_SPC0", (char *)ptr + 0x47);
+ ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0x50)));
+ ut_asserteq(LOCAL5_OP, ptr[0x54]);
+ ut_asserteq(0x55, acpigen_get_current(ctx) - ptr);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_gpio_toggle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test writing ACPI code to output power-sequence info */
+static int dm_test_acpi_power_seq(struct unit_test_state *uts)
+{
+ struct gpio_desc reset, enable, stop;
+ const uint addr = 0xc00dc, addr_act_low = 0x80012;
+ const int txbit = BIT(2);
+ struct acpi_ctx *ctx;
+ struct udevice *dev;
+ u8 *ptr;
+
+ ut_assertok(acpi_test_alloc_context_size(&ctx, 400));
+
+ ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
+ ut_asserteq_str("a-test", dev->name);
+ ut_assertok(gpio_request_by_name(dev, "test2-gpios", 0, &reset, 0));
+ ut_assertok(gpio_request_by_name(dev, "test2-gpios", 1, &enable, 0));
+ ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &stop, 0));
+ ptr = acpigen_get_current(ctx);
+
+ ut_assertok(acpi_device_add_power_res(ctx, txbit, "\\_SB.GPC0",
+ "\\_SB.SPC0", &reset, 2, 3,
+ &enable, 4, 5, &stop, 6, 7));
+ ut_asserteq(0x186, acpigen_get_current(ctx) - ptr);
+ ut_asserteq_strn("PRIC", (char *)ptr + 0x18);
+
+ /* First the 'ON' sequence - spot check */
+ ut_asserteq_strn("_ON_", (char *)ptr + 0x38);
+
+ /* reset set */
+ ut_asserteq(addr + reset.offset, get_unaligned((u32 *)(ptr + 0x49)));
+ ut_asserteq(OR_OP, ptr[0x52]);
+
+ /* enable set */
+ ut_asserteq(addr + enable.offset, get_unaligned((u32 *)(ptr + 0x72)));
+ ut_asserteq(OR_OP, ptr[0x7b]);
+
+ /* reset clear */
+ ut_asserteq(addr + reset.offset, get_unaligned((u32 *)(ptr + 0x9f)));
+ ut_asserteq(NOT_OP, ptr[0xa8]);
+
+ /* stop set (disable, active low) */
+ ut_asserteq(addr_act_low + stop.offset,
+ get_unaligned((u32 *)(ptr + 0xcf)));
+ ut_asserteq(OR_OP, ptr[0xd8]);
+
+ /* Now the 'OFF' sequence */
+ ut_asserteq_strn("_OFF", (char *)ptr + 0xf4);
+
+ /* stop clear (enable, active low) */
+ ut_asserteq(addr_act_low + stop.offset,
+ get_unaligned((u32 *)(ptr + 0x105)));
+ ut_asserteq(NOT_OP, ptr[0x10e]);
+
+ /* reset clear */
+ ut_asserteq(addr + reset.offset, get_unaligned((u32 *)(ptr + 0x135)));
+ ut_asserteq(OR_OP, ptr[0x13e]);
+
+ /* enable clear */
+ ut_asserteq(addr + enable.offset, get_unaligned((u32 *)(ptr + 0x162)));
+ ut_asserteq(NOT_OP, ptr[0x16b]);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_power_seq, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test writing values */
+static int dm_test_acpi_write_values(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+ ptr = acpigen_get_current(ctx);
+
+ acpigen_write_zero(ctx);
+ acpigen_write_one(ctx);
+ acpigen_write_byte(ctx, TEST_INT8);
+ acpigen_write_word(ctx, TEST_INT16);
+ acpigen_write_dword(ctx, TEST_INT32);
+ acpigen_write_qword(ctx, TEST_INT64);
+
+ ut_asserteq(ZERO_OP, *ptr++);
+
+ ut_asserteq(ONE_OP, *ptr++);
+
+ ut_asserteq(BYTE_PREFIX, *ptr++);
+ ut_asserteq(TEST_INT8, *ptr++);
+
+ ut_asserteq(WORD_PREFIX, *ptr++);
+ ut_asserteq(TEST_INT16, get_unaligned((u16 *)ptr));
+ ptr += 2;
+
+ ut_asserteq(DWORD_PREFIX, *ptr++);
+ ut_asserteq(TEST_INT32, get_unaligned((u32 *)ptr));
+ ptr += 4;
+
+ ut_asserteq(QWORD_PREFIX, *ptr++);
+ ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)ptr));
+ ptr += 8;
+
+ ut_asserteq_ptr(ptr, ctx->current);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_write_values, 0);
+
+/* Test writing a scope */
+static int dm_test_acpi_scope(struct unit_test_state *uts)
+{
+ char buf[ACPI_PATH_MAX];
+ struct acpi_ctx *ctx;
+ struct udevice *dev;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+ ptr = acpigen_get_current(ctx);
+
+ ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
+ ut_assertok(acpi_device_path(dev, buf, sizeof(buf)));
+ acpigen_write_scope(ctx, buf);
+ acpigen_pop_len(ctx);
+
+ ut_asserteq(SCOPE_OP, *ptr++);
+ ut_asserteq(13, acpi_test_get_length(ptr));
+ ptr += 3;
+ ut_asserteq(ROOT_PREFIX, *ptr++);
+ ut_asserteq(DUAL_NAME_PREFIX, *ptr++);
+ ut_asserteq_strn("_SB_" ACPI_TEST_DEV_NAME, (char *)ptr);
+ ptr += 8;
+ ut_asserteq_ptr(ptr, ctx->current);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_scope, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test writing a resource template */
+static int dm_test_acpi_resource_template(struct unit_test_state *uts)
+{
+ struct acpi_gen_regaddr addr;
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+ ptr = acpigen_get_current(ctx);
+
+ addr.space_id = ACPI_ADDRESS_SPACE_EC;
+ addr.bit_width = 32;
+ addr.bit_offset = 8;
+ addr.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
+ addr.addrl = TEST_INT64 & 0xffffffff;
+ addr.addrh = TEST_INT64 >> 32;
+ acpigen_write_register_resource(ctx, &addr);
+
+ ut_asserteq(BUFFER_OP, *ptr++);
+ ut_asserteq(0x17, acpi_test_get_length(ptr));
+ ptr += 3;
+ ut_asserteq(WORD_PREFIX, *ptr++);
+ ut_asserteq(0x11, get_unaligned((u16 *)ptr));
+ ptr += 2;
+ ut_asserteq(ACPI_DESCRIPTOR_REGISTER, *ptr++);
+ ut_asserteq(0xc, *ptr++);
+ ut_asserteq(0, *ptr++);
+ ut_asserteq(ACPI_ADDRESS_SPACE_EC, *ptr++);
+ ut_asserteq(32, *ptr++);
+ ut_asserteq(8, *ptr++);
+ ut_asserteq(ACPI_ACCESS_SIZE_DWORD_ACCESS, *ptr++);
+ ut_asserteq(TEST_INT64 & 0xffffffff, get_unaligned((u32 *)ptr));
+ ptr += 4;
+ ut_asserteq(TEST_INT64 >> 32, get_unaligned((u32 *)ptr));
+ ptr += 4;
+ ut_asserteq(ACPI_END_TAG, *ptr++);
+ ut_asserteq(0x00, *ptr++);
+ ut_asserteq_ptr(ptr, ctx->current);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_resource_template, 0);
+
+/* Test writing a device */
+static int dm_test_acpi_device(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+ ptr = acpigen_get_current(ctx);
+
+ acpigen_write_device(ctx, "\\_SB." ACPI_TEST_DEV_NAME);
+ acpigen_pop_len(ctx);
+
+ ut_asserteq(EXT_OP_PREFIX, *ptr++);
+ ut_asserteq(DEVICE_OP, *ptr++);
+ ut_asserteq(0xd, acpi_test_get_length(ptr));
+ ptr += 3;
+ ut_asserteq(ROOT_PREFIX, *ptr++);
+ ut_asserteq(DUAL_NAME_PREFIX, *ptr++);
+ ptr += 8;
+ ut_asserteq_ptr(ptr, ctx->current);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_device, 0);
+
+/* Test writing named values */
+static int dm_test_acpi_write_name(struct unit_test_state *uts)
+{
+ const char *name = "\\_SB." ACPI_TEST_DEV_NAME;
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+ ptr = acpigen_get_current(ctx);
+
+ acpigen_write_name_zero(ctx, name);
+ acpigen_write_name_one(ctx, name);
+ acpigen_write_name_byte(ctx, name, TEST_INT8);
+ acpigen_write_name_word(ctx, name, TEST_INT16);
+ acpigen_write_name_dword(ctx, name, TEST_INT32);
+ acpigen_write_name_qword(ctx, name, TEST_INT64);
+ acpigen_write_name_integer(ctx, name, TEST_INT64 + 1);
+ acpigen_write_name_string(ctx, name, "baldrick");
+ acpigen_write_name_string(ctx, name, NULL);
+
+ ut_asserteq(NAME_OP, *ptr++);
+ ut_asserteq_strn("\\._SB_ABCD", (char *)ptr);
+ ptr += 10;
+ ut_asserteq(ZERO_OP, *ptr++);
+
+ ut_asserteq(NAME_OP, *ptr++);
+ ptr += 10;
+ ut_asserteq(ONE_OP, *ptr++);
+
+ ut_asserteq(NAME_OP, *ptr++);
+ ptr += 10;
+ ut_asserteq(BYTE_PREFIX, *ptr++);
+ ut_asserteq(TEST_INT8, *ptr++);
+
+ ut_asserteq(NAME_OP, *ptr++);
+ ptr += 10;
+ ut_asserteq(WORD_PREFIX, *ptr++);
+ ut_asserteq(TEST_INT16, get_unaligned((u16 *)ptr));
+ ptr += 2;
+
+ ut_asserteq(NAME_OP, *ptr++);
+ ptr += 10;
+ ut_asserteq(DWORD_PREFIX, *ptr++);
+ ut_asserteq(TEST_INT32, get_unaligned((u32 *)ptr));
+ ptr += 4;
+
+ ut_asserteq(NAME_OP, *ptr++);
+ ptr += 10;
+ ut_asserteq(QWORD_PREFIX, *ptr++);
+ ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)ptr));
+ ptr += 8;
+
+ ut_asserteq(NAME_OP, *ptr++);
+ ptr += 10;
+ ut_asserteq(QWORD_PREFIX, *ptr++);
+ ut_asserteq_64(TEST_INT64 + 1, get_unaligned((u64 *)ptr));
+ ptr += 8;
+
+ ut_asserteq(NAME_OP, *ptr++);
+ ptr += 10;
+ ut_asserteq(STRING_PREFIX, *ptr++);
+ ut_asserteq_str("baldrick", (char *)ptr)
+ ptr += 9;
+
+ ut_asserteq(NAME_OP, *ptr++);
+ ptr += 10;
+ ut_asserteq(STRING_PREFIX, *ptr++);
+ ut_asserteq('\0', *ptr++);
+
+ ut_asserteq_ptr(ptr, ctx->current);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_write_name, 0);
diff --git a/test/dm/gpio.c b/test/dm/gpio.c
index e3be57b602..29701389fc 100644
--- a/test/dm/gpio.c
+++ b/test/dm/gpio.c
@@ -8,6 +8,7 @@
#include <dm.h>
#include <log.h>
#include <malloc.h>
+#include <acpi/acpi_device.h>
#include <dm/root.h>
#include <dm/test.h>
#include <dm/util.h>
@@ -417,3 +418,64 @@ static int dm_test_gpio_get_dir_flags(struct unit_test_state *uts)
return 0;
}
DM_TEST(dm_test_gpio_get_dir_flags, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test of gpio_get_acpi() */
+static int dm_test_gpio_get_acpi(struct unit_test_state *uts)
+{
+ struct acpi_gpio agpio;
+ struct udevice *dev;
+ struct gpio_desc desc;
+
+ 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));
+
+ /* See sb_gpio_get_acpi() */
+ ut_assertok(gpio_get_acpi(&desc, &agpio));
+ ut_asserteq(1, agpio.pin_count);
+ ut_asserteq(4, agpio.pins[0]);
+ ut_asserteq(ACPI_GPIO_TYPE_IO, agpio.type);
+ ut_asserteq(ACPI_GPIO_PULL_UP, agpio.pull);
+ ut_asserteq_str("\\_SB.PINC", agpio.resource);
+ ut_asserteq(0, agpio.interrupt_debounce_timeout);
+ ut_asserteq(0, agpio.irq.pin);
+ ut_asserteq(1234, agpio.output_drive_strength);
+ ut_asserteq(true, agpio.io_shared);
+ ut_asserteq(ACPI_GPIO_IO_RESTRICT_INPUT, agpio.io_restrict);
+ ut_asserteq(ACPI_GPIO_ACTIVE_HIGH, agpio.polarity);
+
+ return 0;
+}
+DM_TEST(dm_test_gpio_get_acpi, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test of gpio_get_acpi() with an interrupt GPIO */
+static int dm_test_gpio_get_acpi_irq(struct unit_test_state *uts)
+{
+ struct acpi_gpio agpio;
+ struct udevice *dev;
+ struct gpio_desc desc;
+
+ ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
+ ut_asserteq_str("a-test", dev->name);
+ ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &desc, 0));
+
+ /* See sb_gpio_get_acpi() */
+ ut_assertok(gpio_get_acpi(&desc, &agpio));
+ ut_asserteq(1, agpio.pin_count);
+ ut_asserteq(6, agpio.pins[0]);
+ ut_asserteq(ACPI_GPIO_TYPE_INTERRUPT, agpio.type);
+ ut_asserteq(ACPI_GPIO_PULL_DOWN, agpio.pull);
+ ut_asserteq_str("\\_SB.PINC", agpio.resource);
+ ut_asserteq(4321, agpio.interrupt_debounce_timeout);
+ ut_asserteq(6, agpio.irq.pin);
+ ut_asserteq(ACPI_IRQ_ACTIVE_BOTH, agpio.irq.polarity);
+ ut_asserteq(ACPI_IRQ_SHARED, agpio.irq.shared);
+ ut_asserteq(true, agpio.irq.wake);
+ ut_asserteq(0, agpio.output_drive_strength);
+ ut_asserteq(false, agpio.io_shared);
+ ut_asserteq(0, agpio.io_restrict);
+ ut_asserteq(ACPI_GPIO_ACTIVE_LOW, agpio.polarity);
+
+ return 0;
+}
+DM_TEST(dm_test_gpio_get_acpi_irq, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
diff --git a/test/dm/irq.c b/test/dm/irq.c
index 192d80d7e1..51bae31b0f 100644
--- a/test/dm/irq.c
+++ b/test/dm/irq.c
@@ -8,6 +8,7 @@
#include <common.h>
#include <dm.h>
#include <irq.h>
+#include <acpi/acpi_device.h>
#include <asm/test.h>
#include <dm/test.h>
#include <test/ut.h>
@@ -75,3 +76,25 @@ static int dm_test_request(struct unit_test_state *uts)
return 0;
}
DM_TEST(dm_test_request, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test of irq_get_acpi() */
+static int dm_test_irq_get_acpi(struct unit_test_state *uts)
+{
+ struct acpi_irq airq;
+ struct udevice *dev;
+ struct irq irq;
+
+ ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
+ ut_assertok(irq_get_by_index(dev, 0, &irq));
+
+ /* see sandbox_get_acpi() */
+ ut_assertok(irq_get_acpi(&irq, &airq));
+ ut_asserteq(3, airq.pin);
+ ut_asserteq(ACPI_IRQ_LEVEL_TRIGGERED, airq.mode);
+ ut_asserteq(ACPI_IRQ_ACTIVE_HIGH, airq.polarity);
+ ut_asserteq(ACPI_IRQ_SHARED, airq.shared);
+ ut_asserteq(ACPI_IRQ_WAKE, airq.wake);
+
+ return 0;
+}
+DM_TEST(dm_test_irq_get_acpi, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
diff --git a/test/dm/pci.c b/test/dm/pci.c
index fb93e4c78a..39e82b3699 100644
--- a/test/dm/pci.c
+++ b/test/dm/pci.c
@@ -339,3 +339,17 @@ static int dm_test_pci_addr_live(struct unit_test_state *uts)
}
DM_TEST(dm_test_pci_addr_live, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT |
DM_TESTF_LIVE_TREE);
+
+/* Test device_is_on_pci_bus() */
+static int dm_test_pci_on_bus(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+
+ ut_assertok(dm_pci_bus_find_bdf(PCI_BDF(0, 0x1f, 0), &dev));
+ ut_asserteq(true, device_is_on_pci_bus(dev));
+ ut_asserteq(false, device_is_on_pci_bus(dev_get_parent(dev)));
+ ut_asserteq(true, device_is_on_pci_bus(dev));
+
+ return 0;
+}
+DM_TEST(dm_test_pci_on_bus, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-17 13:41:43 +0000