diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/dm/acpigen.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/test/dm/acpigen.c b/test/dm/acpigen.c index cce19f11209..62d48dc419c 100644 --- a/test/dm/acpigen.c +++ b/test/dm/acpigen.c @@ -10,6 +10,7 @@ #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> @@ -1218,3 +1219,127 @@ static int dm_test_acpi_write_return(struct unit_test_state *uts) 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); |