diff options
Diffstat (limited to 'roms/u-boot/test/dm/acpigen.c')
| -rw-r--r-- | roms/u-boot/test/dm/acpigen.c | 1746 |
1 files changed, 1746 insertions, 0 deletions
diff --git a/roms/u-boot/test/dm/acpigen.c b/roms/u-boot/test/dm/acpigen.c new file mode 100644 index 000000000..3ec2743af --- /dev/null +++ b/roms/u-boot/test/dm/acpigen.c @@ -0,0 +1,1746 @@ +// 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 <uuid.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, UT_TESTF_SCAN_PDATA | UT_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, UT_TESTF_SCAN_PDATA | UT_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, UT_TESTF_SCAN_PDATA | UT_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, + UT_TESTF_SCAN_PDATA | UT_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, UT_TESTF_SCAN_PDATA | UT_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, UT_TESTF_SCAN_PDATA | UT_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, UT_TESTF_SCAN_PDATA | UT_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, UT_TESTF_SCAN_PDATA | UT_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, UT_TESTF_SCAN_PDATA | UT_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); + +/* Test emitting a _PRW component */ +static int dm_test_acpi_write_prw(struct unit_test_state *uts) +{ + struct acpi_ctx *ctx; + u8 *ptr; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + acpigen_write_prw(ctx, 5, 3); + ut_asserteq(NAME_OP, *ptr++); + + ut_asserteq_strn("_PRW", (char *)ptr); + ptr += 4; + ut_asserteq(PACKAGE_OP, *ptr++); + ut_asserteq(8, acpi_test_get_length(ptr)); + ptr += 3; + ut_asserteq(2, *ptr++); + ut_asserteq(BYTE_PREFIX, *ptr++); + ut_asserteq(5, *ptr++); + ut_asserteq(BYTE_PREFIX, *ptr++); + ut_asserteq(3, *ptr++); + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_prw, 0); + +/* Test emitting writing conditionals */ +static int dm_test_acpi_write_cond(struct unit_test_state *uts) +{ + struct acpi_ctx *ctx; + u8 *ptr; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + acpigen_write_if(ctx); + acpigen_pop_len(ctx); + ut_asserteq(IF_OP, *ptr++); + ut_asserteq(3, acpi_test_get_length(ptr)); + ptr += 3; + + acpigen_write_else(ctx); + acpigen_pop_len(ctx); + ut_asserteq(ELSE_OP, *ptr++); + ut_asserteq(3, acpi_test_get_length(ptr)); + ptr += 3; + + acpigen_write_if_lequal_op_int(ctx, LOCAL1_OP, 5); + acpigen_pop_len(ctx); + ut_asserteq(IF_OP, *ptr++); + ut_asserteq(7, acpi_test_get_length(ptr)); + ptr += 3; + ut_asserteq(LEQUAL_OP, *ptr++); + ut_asserteq(LOCAL1_OP, *ptr++); + ut_asserteq(BYTE_PREFIX, *ptr++); + ut_asserteq(5, *ptr++); + + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_cond, 0); + +/* Test emitting writing return values and ToBuffer/ToInteger */ +static int dm_test_acpi_write_return(struct unit_test_state *uts) +{ + int len = sizeof(TEST_STRING); + struct acpi_ctx *ctx; + u8 *ptr; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + acpigen_write_to_buffer(ctx, ARG0_OP, LOCAL0_OP); + ut_asserteq(TO_BUFFER_OP, *ptr++); + ut_asserteq(ARG0_OP, *ptr++); + ut_asserteq(LOCAL0_OP, *ptr++); + + acpigen_write_to_integer(ctx, ARG0_OP, LOCAL0_OP); + ut_asserteq(TO_INTEGER_OP, *ptr++); + ut_asserteq(ARG0_OP, *ptr++); + ut_asserteq(LOCAL0_OP, *ptr++); + + acpigen_write_return_byte_buffer(ctx, (u8 *)TEST_STRING, len); + ut_asserteq(RETURN_OP, *ptr++); + ut_asserteq(BUFFER_OP, *ptr++); + ut_asserteq(5 + len, acpi_test_get_length(ptr)); + ptr += 3; + ut_asserteq(BYTE_PREFIX, *ptr++); + ut_asserteq(len, *ptr++); + ut_asserteq_mem(TEST_STRING, ptr, len); + ptr += len; + + acpigen_write_return_singleton_buffer(ctx, 123); + len = 1; + ut_asserteq(RETURN_OP, *ptr++); + ut_asserteq(BUFFER_OP, *ptr++); + ut_asserteq(4 + len, acpi_test_get_length(ptr)); + ptr += 3; + ut_asserteq(ONE_OP, *ptr++); + ut_asserteq(123, *ptr++); + + acpigen_write_return_byte(ctx, 43); + ut_asserteq(RETURN_OP, *ptr++); + ut_asserteq(BYTE_PREFIX, *ptr++); + ut_asserteq(43, *ptr++); + + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_return, 0); + +/* Test emitting a DSM for an I2C HID */ +static int dm_test_acpi_write_i2c_dsm(struct unit_test_state *uts) +{ + char uuid_str[UUID_STR_LEN + 1]; + const int reg_offset = 0x20; + struct acpi_ctx *ctx; + u8 *ptr; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + ut_assertok(acpi_device_write_dsm_i2c_hid(ctx, reg_offset)); + + /* acpigen_write_dsm_start() */ + ut_asserteq(METHOD_OP, *ptr++); + ut_asserteq(0x78, acpi_test_get_length(ptr)); + ptr += 3; + ut_asserteq_strn("_DSM", (char *)ptr); + ptr += 4; + ut_asserteq(ACPI_METHOD_SERIALIZED_MASK | 4, *ptr++); + + ut_asserteq(TO_BUFFER_OP, *ptr++); + ut_asserteq(ARG0_OP, *ptr++); + ut_asserteq(LOCAL0_OP, *ptr++); + + /* acpigen_write_dsm_uuid_start() */ + ut_asserteq(IF_OP, *ptr++); + ut_asserteq(0x65, acpi_test_get_length(ptr)); + ptr += 3; + ut_asserteq(LEQUAL_OP, *ptr++); + ut_asserteq(LOCAL0_OP, *ptr++); + + ut_asserteq(BUFFER_OP, *ptr++); + ut_asserteq(UUID_BIN_LEN + 6, acpi_test_get_length(ptr)); + ptr += 3; + ut_asserteq(WORD_PREFIX, *ptr++); + ut_asserteq(UUID_BIN_LEN, get_unaligned((u16 *)ptr)); + ptr += 2; + uuid_bin_to_str(ptr, uuid_str, UUID_STR_FORMAT_GUID); + ut_asserteq_str(ACPI_DSM_I2C_HID_UUID, uuid_str); + ptr += UUID_BIN_LEN; + + ut_asserteq(TO_INTEGER_OP, *ptr++); + ut_asserteq(ARG2_OP, *ptr++); + ut_asserteq(LOCAL1_OP, *ptr++); + + /* acpigen_write_dsm_uuid_start_cond() */ + ut_asserteq(IF_OP, *ptr++); + ut_asserteq(0x34, acpi_test_get_length(ptr)); + ptr += 3; + ut_asserteq(LEQUAL_OP, *ptr++); + ut_asserteq(LOCAL1_OP, *ptr++); + ut_asserteq(ZERO_OP, *ptr++); + + /* + * See code from acpi_device_write_dsm_i2c_hid(). We don't check every + * piece + */ + ut_asserteq(TO_INTEGER_OP, *ptr++); + ut_asserteq(ARG1_OP, *ptr++); + ut_asserteq(LOCAL2_OP, *ptr++); + + ut_asserteq(IF_OP, *ptr++); + ut_asserteq(0xd, acpi_test_get_length(ptr)); + ptr += 3; + ut_asserteq(LEQUAL_OP, *ptr++); + ut_asserteq(LOCAL2_OP, *ptr++); + ut_asserteq(ZERO_OP, *ptr++); /* function 0 */ + + ut_asserteq(RETURN_OP, *ptr++); + ut_asserteq(BUFFER_OP, *ptr++); + ptr += 5; + + ut_asserteq(ELSE_OP, *ptr++); + ptr += 3; + + ut_asserteq(IF_OP, *ptr++); + ut_asserteq(0xd, acpi_test_get_length(ptr)); + ptr += 3; + ut_asserteq(LEQUAL_OP, *ptr++); + ut_asserteq(LOCAL2_OP, *ptr++); + ut_asserteq(ONE_OP, *ptr++); + + ut_asserteq(RETURN_OP, *ptr++); + ut_asserteq(BUFFER_OP, *ptr++); + ptr += 5; + + ut_asserteq(ELSE_OP, *ptr++); + ptr += 3; + + ut_asserteq(RETURN_OP, *ptr++); + ut_asserteq(BUFFER_OP, *ptr++); + ptr += 5; + + /* acpigen_write_dsm_uuid_start_cond() */ + ut_asserteq(IF_OP, *ptr++); + ut_asserteq(9, acpi_test_get_length(ptr)); + ptr += 3; + ut_asserteq(LEQUAL_OP, *ptr++); + ut_asserteq(LOCAL1_OP, *ptr++); + ut_asserteq(ONE_OP, *ptr++); /* function 1 */ + + ut_asserteq(RETURN_OP, *ptr++); + ut_asserteq(BYTE_PREFIX, *ptr++); + ut_asserteq(reg_offset, *ptr++); + + /* acpigen_write_dsm_uuid_end() */ + ut_asserteq(RETURN_OP, *ptr++); + ut_asserteq(BUFFER_OP, *ptr++); + ptr += 5; + + /* acpigen_write_dsm_end */ + ut_asserteq(RETURN_OP, *ptr++); + ut_asserteq(BUFFER_OP, *ptr++); + ptr += 5; + + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_i2c_dsm, 0); + +/* Test emitting a processor */ +static int dm_test_acpi_write_processor(struct unit_test_state *uts) +{ + const int cpuindex = 6; + const u32 pblock_addr = 0x12345600; + const u32 pblock_len = 0x60; + struct acpi_ctx *ctx; + u8 *ptr; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + acpigen_write_processor(ctx, cpuindex, pblock_addr, pblock_len); + acpigen_pop_len(ctx); + + ut_asserteq(EXT_OP_PREFIX, *ptr++); + ut_asserteq(PROCESSOR_OP, *ptr++); + ut_asserteq(0x13, acpi_test_get_length(ptr)); + ptr += 3; + ut_asserteq_strn("\\._PR_CP06", (char *)ptr); + ptr += 10; + ut_asserteq(cpuindex, *ptr++); + ut_asserteq(pblock_addr, get_unaligned((u32 *)ptr)); + ptr += 4; + ut_asserteq(pblock_len, *ptr++); + + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_processor, 0); + +/* Test emitting a processor package */ +static int dm_test_acpi_write_processor_package(struct unit_test_state *uts) +{ + const int core_count = 3; + struct acpi_ctx *ctx; + u8 *ptr; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + acpigen_write_processor_package(ctx, "XCPU", 0, core_count); + + ut_asserteq(NAME_OP, *ptr++); + ut_asserteq_strn("XCPU", (char *)ptr); + ptr += 4; + ut_asserteq(PACKAGE_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq(core_count, *ptr++); + + ut_asserteq_strn("\\._PR_CP00", (char *)ptr); + ptr += 10; + ut_asserteq_strn("\\._PR_CP01", (char *)ptr); + ptr += 10; + ut_asserteq_strn("\\._PR_CP02", (char *)ptr); + ptr += 10; + + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_processor_package, 0); + +/* Test emitting a processor notification package */ +static int dm_test_acpi_write_processor_cnot(struct unit_test_state *uts) +{ + const int core_count = 3; + struct acpi_ctx *ctx; + u8 *ptr; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + acpigen_write_processor_cnot(ctx, core_count); + + ut_asserteq(METHOD_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq_strn("\\._PR_CNOT", (char *)ptr); + ptr += 10; + ut_asserteq(1, *ptr++); + + ut_asserteq(NOTIFY_OP, *ptr++); + ut_asserteq_strn("\\._PR_CP00", (char *)ptr); + ptr += 10; + ut_asserteq(ARG0_OP, *ptr++); + ut_asserteq(NOTIFY_OP, *ptr++); + ut_asserteq_strn("\\._PR_CP01", (char *)ptr); + ptr += 10; + ut_asserteq(ARG0_OP, *ptr++); + ut_asserteq(NOTIFY_OP, *ptr++); + ut_asserteq_strn("\\._PR_CP02", (char *)ptr); + ptr += 10; + ut_asserteq(ARG0_OP, *ptr++); + + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_processor_cnot, 0); + +/* Test acpigen_write_tpc */ +static int dm_test_acpi_write_tpc(struct unit_test_state *uts) +{ + struct acpi_ctx *ctx; + u8 *ptr; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + acpigen_write_tpc(ctx, "\\TLVL"); + + ut_asserteq(METHOD_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq_strn("_TPC", (char *)ptr); + ptr += 4; + ut_asserteq(0, *ptr++); + ut_asserteq(RETURN_OP, *ptr++); + ut_asserteq_strn("\\TLVL", (char *)ptr); + ptr += 5; + + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_tpc, 0); + +/* Test acpigen_write_pss_package(), etc. */ +static int dm_test_acpi_write_pss_psd(struct unit_test_state *uts) +{ + struct acpi_ctx *ctx; + u8 *ptr; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + acpigen_write_pss_package(ctx, 1, 2, 3, 4, 5, 6); + ut_asserteq(PACKAGE_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq(6, *ptr++); + + ut_asserteq(DWORD_PREFIX, *ptr++); + ut_asserteq(1, get_unaligned((u32 *)ptr)); + ptr += 5; + + ut_asserteq(2, get_unaligned((u32 *)ptr)); + ptr += 5; + + ut_asserteq(3, get_unaligned((u32 *)ptr)); + ptr += 5; + + ut_asserteq(4, get_unaligned((u32 *)ptr)); + ptr += 5; + + ut_asserteq(5, get_unaligned((u32 *)ptr)); + ptr += 5; + + ut_asserteq(6, get_unaligned((u32 *)ptr)); + ptr += 4; + + acpigen_write_psd_package(ctx, 6, 7, HW_ALL); + ut_asserteq(NAME_OP, *ptr++); + ut_asserteq_strn("_PSD", (char *)ptr); + ptr += 4; + ut_asserteq(PACKAGE_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq(1, *ptr++); + ut_asserteq(PACKAGE_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq(5, *ptr++); + + ut_asserteq(BYTE_PREFIX, *ptr++); + ut_asserteq(5, *ptr++); + ut_asserteq(BYTE_PREFIX, *ptr++); + ut_asserteq(0, *ptr++); + + ut_asserteq(DWORD_PREFIX, *ptr++); + ut_asserteq(6, get_unaligned((u32 *)ptr)); + ptr += 5; + + ut_asserteq(HW_ALL, get_unaligned((u32 *)ptr)); + ptr += 5; + + ut_asserteq(7, get_unaligned((u32 *)ptr)); + ptr += 4; + + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_pss_psd, 0); + +/* Test acpi_write_cst_package() */ +static int dm_test_acpi_write_cst(struct unit_test_state *uts) +{ + static struct acpi_cstate cstate_map[] = { + { + /* C1 */ + .ctype = 1, /* ACPI C1 */ + .latency = 1, + .power = 1000, + .resource = { + .space_id = ACPI_ADDRESS_SPACE_FIXED, + }, + }, { + .ctype = 2, /* ACPI C2 */ + .latency = 50, + .power = 10, + .resource = { + .space_id = ACPI_ADDRESS_SPACE_IO, + .bit_width = 8, + .addrl = 0x415, + }, + }, + }; + int nentries = ARRAY_SIZE(cstate_map); + struct acpi_ctx *ctx; + u8 *ptr; + int i; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + acpigen_write_cst_package(ctx, cstate_map, nentries); + + ut_asserteq(NAME_OP, *ptr++); + ut_asserteq_strn("_CST", (char *)ptr); + ptr += 4; + ut_asserteq(PACKAGE_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq(nentries + 1, *ptr++); + ut_asserteq(DWORD_PREFIX, *ptr++); + ut_asserteq(nentries, get_unaligned((u32 *)ptr)); + ptr += 4; + + for (i = 0; i < nentries; i++) { + ut_asserteq(PACKAGE_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq(4, *ptr++); + ut_asserteq(BUFFER_OP, *ptr++); + ptr += 0x17; + ut_asserteq(DWORD_PREFIX, *ptr++); + ut_asserteq(cstate_map[i].ctype, get_unaligned((u32 *)ptr)); + ptr += 5; + ut_asserteq(cstate_map[i].latency, get_unaligned((u32 *)ptr)); + ptr += 5; + ut_asserteq(cstate_map[i].power, get_unaligned((u32 *)ptr)); + ptr += 4; + } + + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_cst, 0); + +/* Test acpi_write_cst_package() */ +static int dm_test_acpi_write_csd(struct unit_test_state *uts) +{ + struct acpi_ctx *ctx; + u8 *ptr; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + acpigen_write_csd_package(ctx, 12, 34, CSD_HW_ALL, 56); + + ut_asserteq(NAME_OP, *ptr++); + ut_asserteq_strn("_CSD", (char *)ptr); + ptr += 4; + ut_asserteq(PACKAGE_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq(1, *ptr++); + ut_asserteq(PACKAGE_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq(6, *ptr++); + + ut_asserteq(BYTE_PREFIX, *ptr++); + ut_asserteq(6, *ptr++); + ut_asserteq(BYTE_PREFIX, *ptr++); + ut_asserteq(0, *ptr++); + ut_asserteq(DWORD_PREFIX, *ptr++); + ut_asserteq(12, get_unaligned((u32 *)ptr)); + ptr += 5; + ut_asserteq(CSD_HW_ALL, get_unaligned((u32 *)ptr)); + ptr += 5; + ut_asserteq(34, get_unaligned((u32 *)ptr)); + ptr += 5; + ut_asserteq(56, get_unaligned((u32 *)ptr)); + ptr += 4; + + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_csd, 0); + +/* Test acpigen_write_tss_package() */ +static int dm_test_acpi_write_tss(struct unit_test_state *uts) +{ + static struct acpi_tstate tstate_list[] = { + { 1, 2, 3, 4, 5, }, + { 6, 7, 8, 9, 10, }, + }; + int nentries = ARRAY_SIZE(tstate_list); + struct acpi_ctx *ctx; + u8 *ptr; + int i; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + acpigen_write_tss_package(ctx, tstate_list, nentries); + + ut_asserteq(NAME_OP, *ptr++); + ut_asserteq_strn("_TSS", (char *)ptr); + ptr += 4; + ut_asserteq(PACKAGE_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq(nentries, *ptr++); + + for (i = 0; i < nentries; i++) { + ut_asserteq(PACKAGE_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq(5, *ptr++); + ut_asserteq(DWORD_PREFIX, *ptr++); + ut_asserteq(tstate_list[i].percent, get_unaligned((u32 *)ptr)); + ptr += 5; + ut_asserteq(tstate_list[i].power, get_unaligned((u32 *)ptr)); + ptr += 5; + ut_asserteq(tstate_list[i].latency, get_unaligned((u32 *)ptr)); + ptr += 5; + ut_asserteq(tstate_list[i].control, get_unaligned((u32 *)ptr)); + ptr += 5; + ut_asserteq(tstate_list[i].status, get_unaligned((u32 *)ptr)); + ptr += 4; + } + + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_tss, 0); + +/* Test acpigen_write_tsd_package() */ +static int dm_test_acpi_write_tsd_package(struct unit_test_state *uts) +{ + struct acpi_ctx *ctx; + u8 *ptr; + + ut_assertok(alloc_context(&ctx)); + + ptr = acpigen_get_current(ctx); + acpigen_write_tsd_package(ctx, 12, 34, HW_ALL); + + ut_asserteq(NAME_OP, *ptr++); + ut_asserteq_strn("_TSD", (char *)ptr); + ptr += 4; + ut_asserteq(PACKAGE_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq(1, *ptr++); + ut_asserteq(PACKAGE_OP, *ptr++); + ptr += 3; /* skip length */ + ut_asserteq(5, *ptr++); + + ut_asserteq(BYTE_PREFIX, *ptr++); + ut_asserteq(5, *ptr++); + ut_asserteq(BYTE_PREFIX, *ptr++); + ut_asserteq(0, *ptr++); + ut_asserteq(DWORD_PREFIX, *ptr++); + ut_asserteq(12, get_unaligned((u32 *)ptr)); + ptr += 5; + ut_asserteq(CSD_HW_ALL, get_unaligned((u32 *)ptr)); + ptr += 5; + ut_asserteq(34, get_unaligned((u32 *)ptr)); + ptr += 4; + + ut_asserteq_ptr(ptr, ctx->current); + + free_context(&ctx); + + return 0; +} +DM_TEST(dm_test_acpi_write_tsd_package, 0); 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