1 // SPDX-License-Identifier: GPL-2.0+
3 * Tests for ACPI code generation
5 * Copyright 2019 Google LLC
6 * Written by Simon Glass <sjg@chromium.org>
13 #include <acpi/acpigen.h>
14 #include <acpi/acpi_device.h>
15 #include <acpi/acpi_table.h>
17 #include <asm/unaligned.h>
20 #include <dm/uclass-internal.h>
24 /* Maximum size of the ACPI context needed for most tests */
25 #define ACPI_CONTEXT_SIZE 150
27 #define TEST_STRING "frogmore"
28 #define TEST_STRING2 "ranch"
29 #define TEST_STREAM2 "\xfa\xde"
31 #define TEST_INT8 0x7d
32 #define TEST_INT16 0x2345
33 #define TEST_INT32 0x12345678
34 #define TEST_INT64 0x4567890123456
36 int acpi_test_alloc_context_size(struct acpi_ctx **ctxp, int size)
41 ctx = malloc(sizeof(*ctx));
44 ctx->base = malloc(size);
50 ctx->current = ctx->base;
56 int acpi_test_get_length(u8 *ptr)
61 return (*ptr & 0xf) | ptr[1] << 4 | ptr[2] << 12;
64 static int alloc_context(struct acpi_ctx **ctxp)
66 return acpi_test_alloc_context_size(ctxp, ACPI_CONTEXT_SIZE);
69 static void free_context(struct acpi_ctx **ctxp)
76 /* Test emitting simple types and acpigen_get_current() */
77 static int dm_test_acpi_emit_simple(struct unit_test_state *uts)
82 ut_assertok(alloc_context(&ctx));
84 ptr = acpigen_get_current(ctx);
85 acpigen_emit_byte(ctx, 0x23);
86 ut_asserteq(1, acpigen_get_current(ctx) - ptr);
87 ut_asserteq(0x23, *(u8 *)ptr);
89 acpigen_emit_word(ctx, 0x1234);
90 ut_asserteq(3, acpigen_get_current(ctx) - ptr);
91 ut_asserteq(0x1234, get_unaligned((u16 *)(ptr + 1)));
93 acpigen_emit_dword(ctx, 0x87654321);
94 ut_asserteq(7, acpigen_get_current(ctx) - ptr);
95 ut_asserteq(0x87654321, get_unaligned((u32 *)(ptr + 3)));
101 DM_TEST(dm_test_acpi_emit_simple, 0);
103 /* Test emitting a stream */
104 static int dm_test_acpi_emit_stream(struct unit_test_state *uts)
106 struct acpi_ctx *ctx;
109 ut_assertok(alloc_context(&ctx));
111 ptr = acpigen_get_current(ctx);
112 acpigen_emit_stream(ctx, TEST_STREAM2, 2);
113 ut_asserteq(2, acpigen_get_current(ctx) - ptr);
114 ut_asserteq((u8)TEST_STREAM2[0], ptr[0]);
115 ut_asserteq((u8)TEST_STREAM2[1], ptr[1]);
121 DM_TEST(dm_test_acpi_emit_stream, 0);
123 /* Test emitting a string */
124 static int dm_test_acpi_emit_string(struct unit_test_state *uts)
126 struct acpi_ctx *ctx;
129 ut_assertok(alloc_context(&ctx));
131 ptr = acpigen_get_current(ctx);
132 acpigen_emit_string(ctx, TEST_STRING);
133 ut_asserteq(sizeof(TEST_STRING), acpigen_get_current(ctx) - ptr);
134 ut_asserteq_str(TEST_STRING, (char *)ptr);
140 DM_TEST(dm_test_acpi_emit_string, 0);
142 /* Test emitting an interrupt descriptor */
143 static int dm_test_acpi_interrupt(struct unit_test_state *uts)
145 struct acpi_ctx *ctx;
150 ut_assertok(alloc_context(&ctx));
152 ptr = acpigen_get_current(ctx);
154 ut_assertok(uclass_first_device_err(UCLASS_TEST_FDT, &dev));
155 ut_assertok(irq_get_by_index(dev, 0, &irq));
157 /* See a-test, property interrupts-extended in the device tree */
158 ut_asserteq(3, acpi_device_write_interrupt_irq(ctx, &irq));
159 ut_asserteq(9, acpigen_get_current(ctx) - ptr);
160 ut_asserteq(ACPI_DESCRIPTOR_INTERRUPT, ptr[0]);
161 ut_asserteq(6, get_unaligned((u16 *)(ptr + 1)));
162 ut_asserteq(0x19, ptr[3]);
163 ut_asserteq(1, ptr[4]);
164 ut_asserteq(3, get_unaligned((u32 *)(ptr + 5)));
170 DM_TEST(dm_test_acpi_interrupt, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
172 /* Test emitting a GPIO descriptor */
173 static int dm_test_acpi_gpio(struct unit_test_state *uts)
175 struct gpio_desc desc;
176 struct acpi_ctx *ctx;
180 ut_assertok(alloc_context(&ctx));
182 ptr = acpigen_get_current(ctx);
184 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
185 ut_asserteq_str("a-test", dev->name);
186 ut_assertok(gpio_request_by_name(dev, "test-gpios", 1, &desc, 0));
188 /* This should write GPIO pin 4 (see device tree test.dts ) */
189 ut_asserteq(4, acpi_device_write_gpio_desc(ctx, &desc));
190 ut_asserteq(35, acpigen_get_current(ctx) - ptr);
191 ut_asserteq(ACPI_DESCRIPTOR_GPIO, ptr[0]);
192 ut_asserteq(32, get_unaligned((u16 *)(ptr + 1)));
193 ut_asserteq(ACPI_GPIO_REVISION_ID, ptr[3]);
194 ut_asserteq(ACPI_GPIO_TYPE_IO, ptr[4]);
195 ut_asserteq(1, get_unaligned((u16 *)(ptr + 5)));
196 ut_asserteq(9, get_unaligned((u16 *)(ptr + 7)));
197 ut_asserteq(ACPI_GPIO_PULL_UP, ptr[9]);
198 ut_asserteq(1234, get_unaligned((u16 *)(ptr + 10)));
199 ut_asserteq(0, get_unaligned((u16 *)(ptr + 12)));
200 ut_asserteq(23, get_unaligned((u16 *)(ptr + 14)));
201 ut_asserteq(0, ptr[16]);
202 ut_asserteq(25, get_unaligned((u16 *)(ptr + 17)));
203 ut_asserteq(35, get_unaligned((u16 *)(ptr + 19)));
204 ut_asserteq(0, get_unaligned((u16 *)(ptr + 21)));
207 ut_asserteq(4, get_unaligned((u16 *)(ptr + 23)));
209 ut_asserteq_str("\\_SB.PINC", (char *)ptr + 25);
215 DM_TEST(dm_test_acpi_gpio, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
217 /* Test emitting a GPIO descriptor with an interrupt */
218 static int dm_test_acpi_gpio_irq(struct unit_test_state *uts)
220 struct gpio_desc desc;
221 struct acpi_ctx *ctx;
225 ut_assertok(alloc_context(&ctx));
227 ptr = acpigen_get_current(ctx);
229 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
230 ut_asserteq_str("a-test", dev->name);
231 ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &desc, 0));
233 /* This should write GPIO pin 6 (see device tree test.dts ) */
234 ut_asserteq(6, acpi_device_write_gpio_desc(ctx, &desc));
235 ut_asserteq(35, acpigen_get_current(ctx) - ptr);
236 ut_asserteq(ACPI_DESCRIPTOR_GPIO, ptr[0]);
237 ut_asserteq(32, get_unaligned((u16 *)(ptr + 1)));
238 ut_asserteq(ACPI_GPIO_REVISION_ID, ptr[3]);
239 ut_asserteq(ACPI_GPIO_TYPE_INTERRUPT, ptr[4]);
240 ut_asserteq(1, get_unaligned((u16 *)(ptr + 5)));
241 ut_asserteq(29, get_unaligned((u16 *)(ptr + 7)));
242 ut_asserteq(ACPI_GPIO_PULL_DOWN, ptr[9]);
243 ut_asserteq(0, get_unaligned((u16 *)(ptr + 10)));
244 ut_asserteq(4321, get_unaligned((u16 *)(ptr + 12)));
245 ut_asserteq(23, get_unaligned((u16 *)(ptr + 14)));
246 ut_asserteq(0, ptr[16]);
247 ut_asserteq(25, get_unaligned((u16 *)(ptr + 17)));
248 ut_asserteq(35, get_unaligned((u16 *)(ptr + 19)));
249 ut_asserteq(0, get_unaligned((u16 *)(ptr + 21)));
252 ut_asserteq(6, get_unaligned((u16 *)(ptr + 23)));
254 ut_asserteq_str("\\_SB.PINC", (char *)ptr + 25);
260 DM_TEST(dm_test_acpi_gpio_irq, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
262 /* Test emitting either a GPIO or interrupt descriptor */
263 static int dm_test_acpi_interrupt_or_gpio(struct unit_test_state *uts)
265 struct acpi_ctx *ctx;
269 ut_assertok(alloc_context(&ctx));
271 ptr = acpigen_get_current(ctx);
273 /* This should produce an interrupt, even though it also has a GPIO */
274 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
275 ut_asserteq_str("a-test", dev->name);
276 ut_asserteq(3, acpi_device_write_interrupt_or_gpio(ctx, dev,
278 ut_asserteq(ACPI_DESCRIPTOR_INTERRUPT, ptr[0]);
280 /* This has no interrupt so should produce a GPIO */
282 ut_assertok(uclass_find_first_device(UCLASS_PANEL_BACKLIGHT, &dev));
283 ut_asserteq(1, acpi_device_write_interrupt_or_gpio(ctx, dev,
285 ut_asserteq(ACPI_DESCRIPTOR_GPIO, ptr[0]);
287 /* This one has neither */
288 ptr = acpigen_get_current(ctx);
289 ut_assertok(uclass_get_device_by_seq(UCLASS_TEST_FDT, 3, &dev));
290 ut_asserteq_str("b-test", dev->name);
292 acpi_device_write_interrupt_or_gpio(ctx, dev,
299 DM_TEST(dm_test_acpi_interrupt_or_gpio,
300 UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
302 /* Test emitting an I2C descriptor */
303 static int dm_test_acpi_i2c(struct unit_test_state *uts)
305 struct acpi_ctx *ctx;
309 ut_assertok(alloc_context(&ctx));
311 ptr = acpigen_get_current(ctx);
313 ut_assertok(uclass_get_device(UCLASS_RTC, 0, &dev));
314 ut_asserteq(0x43, acpi_device_write_i2c_dev(ctx, dev));
315 ut_asserteq(28, acpigen_get_current(ctx) - ptr);
316 ut_asserteq(ACPI_DESCRIPTOR_SERIAL_BUS, ptr[0]);
317 ut_asserteq(25, get_unaligned((u16 *)(ptr + 1)));
318 ut_asserteq(ACPI_I2C_SERIAL_BUS_REVISION_ID, ptr[3]);
319 ut_asserteq(0, ptr[4]);
320 ut_asserteq(ACPI_SERIAL_BUS_TYPE_I2C, ptr[5]);
321 ut_asserteq(0, get_unaligned((u16 *)(ptr + 7)));
322 ut_asserteq(ACPI_I2C_TYPE_SPECIFIC_REVISION_ID, ptr[9]);
323 ut_asserteq(6, get_unaligned((u16 *)(ptr + 10)));
324 ut_asserteq(100000, get_unaligned((u32 *)(ptr + 12)));
325 ut_asserteq(0x43, get_unaligned((u16 *)(ptr + 16)));
326 ut_asserteq_str("\\_SB.I2C0", (char *)ptr + 18);
332 DM_TEST(dm_test_acpi_i2c, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
334 /* Test emitting a SPI descriptor */
335 static int dm_test_acpi_spi(struct unit_test_state *uts)
337 struct acpi_ctx *ctx;
341 ut_assertok(alloc_context(&ctx));
343 ptr = acpigen_get_current(ctx);
345 ut_assertok(uclass_first_device_err(UCLASS_SPI_FLASH, &dev));
346 ut_assertok(acpi_device_write_spi_dev(ctx, dev));
347 ut_asserteq(31, acpigen_get_current(ctx) - ptr);
348 ut_asserteq(ACPI_DESCRIPTOR_SERIAL_BUS, ptr[0]);
349 ut_asserteq(28, get_unaligned((u16 *)(ptr + 1)));
350 ut_asserteq(ACPI_SPI_SERIAL_BUS_REVISION_ID, ptr[3]);
351 ut_asserteq(0, ptr[4]);
352 ut_asserteq(ACPI_SERIAL_BUS_TYPE_SPI, ptr[5]);
353 ut_asserteq(2, ptr[6]);
354 ut_asserteq(0, get_unaligned((u16 *)(ptr + 7)));
355 ut_asserteq(ACPI_SPI_TYPE_SPECIFIC_REVISION_ID, ptr[9]);
356 ut_asserteq(9, get_unaligned((u16 *)(ptr + 10)));
357 ut_asserteq(40000000, get_unaligned((u32 *)(ptr + 12)));
358 ut_asserteq(8, ptr[16]);
359 ut_asserteq(0, ptr[17]);
360 ut_asserteq(0, ptr[18]);
361 ut_asserteq(0, get_unaligned((u16 *)(ptr + 19)));
362 ut_asserteq_str("\\_SB.SPI0", (char *)ptr + 21);
368 DM_TEST(dm_test_acpi_spi, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
370 /* Test emitting a length */
371 static int dm_test_acpi_len(struct unit_test_state *uts)
373 const int size = 0xc0000;
374 struct acpi_ctx *ctx;
378 ut_assertok(acpi_test_alloc_context_size(&ctx, size));
380 ptr = acpigen_get_current(ctx);
382 /* Write a byte and a 3-byte length */
383 acpigen_write_len_f(ctx);
384 acpigen_emit_byte(ctx, 0x23);
385 acpigen_pop_len(ctx);
386 ut_asserteq(1 + 3, acpi_test_get_length(ptr));
388 /* Write 200 bytes so we need two length bytes */
390 acpigen_write_len_f(ctx);
391 for (i = 0; i < 200; i++)
392 acpigen_emit_byte(ctx, 0x23);
393 acpigen_pop_len(ctx);
394 ut_asserteq(200 + 3, acpi_test_get_length(ptr));
396 /* Write 40KB so we need three length bytes */
398 acpigen_write_len_f(ctx);
399 for (i = 0; i < 40000; i++)
400 acpigen_emit_byte(ctx, 0x23);
401 acpigen_pop_len(ctx);
402 ut_asserteq(40000 + 3, acpi_test_get_length(ptr));
408 DM_TEST(dm_test_acpi_len, 0);
410 /* Test writing a package */
411 static int dm_test_acpi_package(struct unit_test_state *uts)
413 struct acpi_ctx *ctx;
417 ut_assertok(alloc_context(&ctx));
419 ptr = acpigen_get_current(ctx);
421 num_elements = acpigen_write_package(ctx, 3);
422 ut_asserteq_ptr(num_elements, ptr + 4);
424 /* For ease of testing, just emit a byte, not valid package contents */
425 acpigen_emit_byte(ctx, 0x23);
426 acpigen_pop_len(ctx);
427 ut_asserteq(PACKAGE_OP, ptr[0]);
428 ut_asserteq(5, acpi_test_get_length(ptr + 1));
429 ut_asserteq(3, ptr[4]);
435 DM_TEST(dm_test_acpi_package, 0);
437 /* Test writing an integer */
438 static int dm_test_acpi_integer(struct unit_test_state *uts)
440 struct acpi_ctx *ctx;
443 ut_assertok(alloc_context(&ctx));
445 ptr = acpigen_get_current(ctx);
447 acpigen_write_integer(ctx, 0);
448 acpigen_write_integer(ctx, 1);
449 acpigen_write_integer(ctx, TEST_INT8);
450 acpigen_write_integer(ctx, TEST_INT16);
451 acpigen_write_integer(ctx, TEST_INT32);
452 acpigen_write_integer(ctx, TEST_INT64);
454 ut_asserteq(6 + 1 + 2 + 4 + 8, acpigen_get_current(ctx) - ptr);
456 ut_asserteq(ZERO_OP, ptr[0]);
458 ut_asserteq(ONE_OP, ptr[1]);
460 ut_asserteq(BYTE_PREFIX, ptr[2]);
461 ut_asserteq(TEST_INT8, ptr[3]);
463 ut_asserteq(WORD_PREFIX, ptr[4]);
464 ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 5)));
466 ut_asserteq(DWORD_PREFIX, ptr[7]);
467 ut_asserteq(TEST_INT32, get_unaligned((u32 *)(ptr + 8)));
469 ut_asserteq(QWORD_PREFIX, ptr[12]);
470 ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 13)));
476 DM_TEST(dm_test_acpi_integer, 0);
478 /* Test writing a string */
479 static int dm_test_acpi_string(struct unit_test_state *uts)
481 struct acpi_ctx *ctx;
484 ut_assertok(alloc_context(&ctx));
486 ptr = acpigen_get_current(ctx);
488 acpigen_write_string(ctx, TEST_STRING);
489 acpigen_write_string(ctx, TEST_STRING2);
491 ut_asserteq(2 + sizeof(TEST_STRING) + sizeof(TEST_STRING2),
492 acpigen_get_current(ctx) - ptr);
493 ut_asserteq(STRING_PREFIX, ptr[0]);
494 ut_asserteq_str(TEST_STRING, (char *)ptr + 1);
495 ptr += 1 + sizeof(TEST_STRING);
496 ut_asserteq(STRING_PREFIX, ptr[0]);
497 ut_asserteq_str(TEST_STRING2, (char *)ptr + 1);
503 DM_TEST(dm_test_acpi_string, 0);
505 /* Test writing a name */
506 static int dm_test_acpi_name(struct unit_test_state *uts)
508 struct acpi_ctx *ctx;
511 ut_assertok(alloc_context(&ctx));
513 ptr = acpigen_get_current(ctx);
516 * The names here are made up for testing the various cases. The
517 * grammar is in the ACPI spec 6.3 section 19.2.2
519 acpigen_write_name(ctx, "\\_SB");
520 acpigen_write_name(ctx, "\\_SB.I2C0");
521 acpigen_write_name(ctx, "\\_SB.I2C0.TPM2");
522 acpigen_write_name(ctx, "\\_SB.I2C0.TPM2.LONG");
523 acpigen_write_name(ctx, "^^^^SPI0.FLAS");
524 acpigen_write_name(ctx, "NN");
525 acpigen_write_name(ctx, "^AB.CD.D.EFG");
526 acpigen_write_name(ctx, "^^^^");
527 acpigen_write_name(ctx, "\\");
528 acpigen_write_name(ctx, "\\ABCD");
530 ut_asserteq(107, acpigen_get_current(ctx) - ptr);
531 ut_asserteq(NAME_OP, ptr[0]);
532 ut_asserteq_strn("\\_SB_", (char *)ptr + 1);
535 ut_asserteq(NAME_OP, ptr[0]);
536 ut_asserteq('\\', ptr[1]);
537 ut_asserteq(DUAL_NAME_PREFIX, ptr[2]);
538 ut_asserteq_strn("_SB_I2C0", (char *)ptr + 3);
541 ut_asserteq(NAME_OP, ptr[0]);
542 ut_asserteq('\\', ptr[1]);
543 ut_asserteq(MULTI_NAME_PREFIX, ptr[2]);
544 ut_asserteq(3, ptr[3]);
545 ut_asserteq_strn("_SB_I2C0TPM2", (char *)ptr + 4);
548 ut_asserteq(NAME_OP, ptr[0]);
549 ut_asserteq('\\', ptr[1]);
550 ut_asserteq(MULTI_NAME_PREFIX, ptr[2]);
551 ut_asserteq(4, ptr[3]);
552 ut_asserteq_strn("_SB_I2C0TPM2LONG", (char *)ptr + 4);
555 ut_asserteq(NAME_OP, ptr[0]);
556 ut_asserteq('^', ptr[1]);
557 ut_asserteq('^', ptr[2]);
558 ut_asserteq('^', ptr[3]);
559 ut_asserteq('^', ptr[4]);
560 ut_asserteq(DUAL_NAME_PREFIX, ptr[5]);
561 ut_asserteq_strn("SPI0FLAS", (char *)ptr + 6);
564 ut_asserteq(NAME_OP, ptr[0]);
565 ut_asserteq_strn("NN__", (char *)ptr + 1);
568 ut_asserteq(NAME_OP, ptr[0]);
569 ut_asserteq('^', ptr[1]);
570 ut_asserteq(MULTI_NAME_PREFIX, ptr[2]);
571 ut_asserteq(4, ptr[3]);
572 ut_asserteq_strn("AB__CD__D___EFG_", (char *)ptr + 4);
575 ut_asserteq(NAME_OP, ptr[0]);
576 ut_asserteq('^', ptr[1]);
577 ut_asserteq('^', ptr[2]);
578 ut_asserteq('^', ptr[3]);
579 ut_asserteq('^', ptr[4]);
580 ut_asserteq(ZERO_OP, ptr[5]);
583 ut_asserteq(NAME_OP, ptr[0]);
584 ut_asserteq('\\', ptr[1]);
585 ut_asserteq(ZERO_OP, ptr[2]);
588 ut_asserteq(NAME_OP, ptr[0]);
589 ut_asserteq_strn("\\ABCD", (char *)ptr + 1);
596 DM_TEST(dm_test_acpi_name, 0);
598 /* Test writing a UUID */
599 static int dm_test_acpi_uuid(struct unit_test_state *uts)
601 struct acpi_ctx *ctx;
604 ut_assertok(alloc_context(&ctx));
606 ptr = acpigen_get_current(ctx);
608 ut_assertok(acpigen_write_uuid(ctx,
609 "dbb8e3e6-5886-4ba6-8795-1319f52a966b"));
610 ut_asserteq(23, acpigen_get_current(ctx) - ptr);
611 ut_asserteq(BUFFER_OP, ptr[0]);
612 ut_asserteq(22, acpi_test_get_length(ptr + 1));
613 ut_asserteq(0xdbb8e3e6, get_unaligned((u32 *)(ptr + 7)));
614 ut_asserteq(0x5886, get_unaligned((u16 *)(ptr + 11)));
615 ut_asserteq(0x4ba6, get_unaligned((u16 *)(ptr + 13)));
616 ut_asserteq(0x9587, get_unaligned((u16 *)(ptr + 15)));
617 ut_asserteq(0x2af51913, get_unaligned((u32 *)(ptr + 17)));
618 ut_asserteq(0x6b96, get_unaligned((u16 *)(ptr + 21)));
622 acpigen_write_uuid(ctx,
623 "dbb8e3e6-5886-4ba6x8795-1319f52a966b"));
629 DM_TEST(dm_test_acpi_uuid, 0);
631 /* Test writing misc ACPI codes */
632 static int dm_test_acpi_misc(struct unit_test_state *uts)
634 struct acpi_ctx *ctx;
639 ut_assertok(alloc_context(&ctx));
641 ptr = acpigen_get_current(ctx);
642 acpigen_write_sleep(ctx, TEST_INT64);
643 ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)(ptr + 3)));
646 acpigen_write_store(ctx);
647 ut_asserteq(STORE_OP, *ptr);
650 acpigen_write_debug_string(ctx, TEST_STRING);
651 ut_asserteq_str(TEST_STRING, (char *)ptr + 2);
652 ptr += 2 + sizeof(TEST_STRING);
653 ut_asserteq(EXT_OP_PREFIX, ptr[0]);
654 ut_asserteq(DEBUG_OP, ptr[1]);
657 acpigen_write_sta(ctx, flags);
658 ut_asserteq(METHOD_OP, ptr[0]);
659 ut_asserteq(11, acpi_test_get_length(ptr + 1));
660 ut_asserteq_strn("_STA", (char *)ptr + 4);
661 ut_asserteq(0, ptr[8]);
662 ut_asserteq(RETURN_OP, ptr[9]);
663 ut_asserteq(BYTE_PREFIX, ptr[10]);
664 ut_asserteq(flags, ptr[11]);
667 acpigen_write_sleep(ctx, TEST_INT16);
668 ut_asserteq(SLEEP_OP, ptr[1]);
669 ut_asserteq(TEST_INT16, get_unaligned((u16 *)(ptr + 3)));
672 acpigen_write_method_serialized(ctx, "FRED", nargs);
673 ut_asserteq(METHOD_OP, ptr[0]);
674 ut_asserteq_strn("FRED", (char *)ptr + 4);
675 ut_asserteq(1 << 3 | nargs, ptr[8]);
676 ut_asserteq(1, ctx->ltop); /* method is unfinished */
679 acpigen_write_or(ctx, LOCAL0_OP, LOCAL1_OP, LOCAL2_OP);
680 acpigen_write_and(ctx, LOCAL3_OP, LOCAL4_OP, LOCAL5_OP);
681 acpigen_write_not(ctx, LOCAL6_OP, LOCAL7_OP);
682 ut_asserteq(OR_OP, ptr[0]);
683 ut_asserteq(LOCAL0_OP, ptr[1]);
684 ut_asserteq(LOCAL1_OP, ptr[2]);
685 ut_asserteq(LOCAL2_OP, ptr[3]);
688 ut_asserteq(AND_OP, ptr[0]);
689 ut_asserteq(LOCAL3_OP, ptr[1]);
690 ut_asserteq(LOCAL4_OP, ptr[2]);
691 ut_asserteq(LOCAL5_OP, ptr[3]);
694 ut_asserteq(NOT_OP, ptr[0]);
695 ut_asserteq(LOCAL6_OP, ptr[1]);
696 ut_asserteq(LOCAL7_OP, ptr[2]);
698 ut_asserteq_ptr(ptr, ctx->current);
704 DM_TEST(dm_test_acpi_misc, 0);
706 /* Test writing an ACPI power resource */
707 static int dm_test_acpi_power_res(struct unit_test_state *uts)
709 const char *const states[] = { "_PR0", "_PR3" };
710 const char *name = "PRIC";
713 struct acpi_ctx *ctx;
716 ut_assertok(alloc_context(&ctx));
718 ptr = acpigen_get_current(ctx);
720 /* PowerResource (PRIC, 0, 0) */
721 acpigen_write_power_res(ctx, name, level, order, states,
723 ut_asserteq(0x28, acpigen_get_current(ctx) - ptr);
724 ut_asserteq(NAME_OP, ptr[0]);
725 ut_asserteq_strn(states[0], (char *)ptr + 1);
726 ut_asserteq(8, acpi_test_get_length(ptr + 6));
727 ut_asserteq_strn(name, (char *)ptr + 0xa);
729 ut_asserteq_strn(states[1], (char *)ptr + 0xf);
730 ut_asserteq(8, acpi_test_get_length(ptr + 0x14));
731 ut_asserteq_strn(name, (char *)ptr + 0x18);
733 ut_asserteq(POWER_RES_OP, ptr[0x1d]);
734 ut_asserteq_strn(name, (char *)ptr + 0x21);
735 ut_asserteq(level, ptr[0x25]);
736 ut_asserteq(order, get_unaligned((u16 *)(ptr + 0x26)));
738 /* The length is not set - caller must use acpigen_pop_len() */
739 ut_asserteq(1, ctx->ltop);
745 DM_TEST(dm_test_acpi_power_res, 0);
747 /* Test writing ACPI code to toggle a GPIO */
748 static int dm_test_acpi_gpio_toggle(struct unit_test_state *uts)
750 const uint addr = 0x80012;
751 const int txbit = BIT(2);
752 struct gpio_desc desc;
753 struct acpi_gpio gpio;
754 struct acpi_ctx *ctx;
758 ut_assertok(alloc_context(&ctx));
760 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
761 ut_asserteq_str("a-test", dev->name);
762 ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &desc, 0));
763 ut_assertok(gpio_get_acpi(&desc, &gpio));
765 /* Spot-check the results - see sb_gpio_get_acpi() */
766 ptr = acpigen_get_current(ctx);
767 acpigen_set_enable_tx_gpio(ctx, txbit, "\\_SB.GPC0", "\\_SB.SPC0",
769 acpigen_set_enable_tx_gpio(ctx, txbit, "\\_SB.GPC0", "\\_SB.SPC0",
772 /* Since this GPIO is active low, we expect it to be cleared here */
773 ut_asserteq(STORE_OP, *ptr);
774 ut_asserteq_strn("_SB_GPC0", (char *)ptr + 3);
775 ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0xc)));
776 ut_asserteq(LOCAL5_OP, ptr[0x10]);
778 ut_asserteq(STORE_OP, ptr[0x11]);
779 ut_asserteq(BYTE_PREFIX, ptr[0x12]);
780 ut_asserteq(txbit, ptr[0x13]);
781 ut_asserteq(LOCAL0_OP, ptr[0x14]);
783 ut_asserteq(NOT_OP, ptr[0x15]);
784 ut_asserteq(LOCAL0_OP, ptr[0x16]);
785 ut_asserteq(LOCAL6_OP, ptr[0x17]);
786 ut_asserteq(AND_OP, ptr[0x18]);
787 ut_asserteq_strn("_SB_SPC0", (char *)ptr + 0x1e);
788 ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0x27)));
789 ut_asserteq(LOCAL5_OP, ptr[0x2b]);
791 /* Now the second one, which should be set */
792 ut_asserteq_strn("_SB_GPC0", (char *)ptr + 0x2f);
793 ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0x38)));
794 ut_asserteq(LOCAL5_OP, ptr[0x3c]);
796 ut_asserteq(STORE_OP, ptr[0x3d]);
798 ut_asserteq(OR_OP, ptr[0x41]);
799 ut_asserteq(LOCAL0_OP, ptr[0x43]);
800 ut_asserteq_strn("_SB_SPC0", (char *)ptr + 0x47);
801 ut_asserteq(addr + desc.offset, get_unaligned((u32 *)(ptr + 0x50)));
802 ut_asserteq(LOCAL5_OP, ptr[0x54]);
803 ut_asserteq(0x55, acpigen_get_current(ctx) - ptr);
809 DM_TEST(dm_test_acpi_gpio_toggle, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
811 /* Test writing ACPI code to output power-sequence info */
812 static int dm_test_acpi_power_seq(struct unit_test_state *uts)
814 struct gpio_desc reset, enable, stop;
815 const uint addr = 0xc00dc, addr_act_low = 0x80012;
816 const int txbit = BIT(2);
817 struct acpi_ctx *ctx;
821 ut_assertok(acpi_test_alloc_context_size(&ctx, 400));
823 ut_assertok(uclass_get_device(UCLASS_TEST_FDT, 0, &dev));
824 ut_asserteq_str("a-test", dev->name);
825 ut_assertok(gpio_request_by_name(dev, "test2-gpios", 0, &reset, 0));
826 ut_assertok(gpio_request_by_name(dev, "test2-gpios", 1, &enable, 0));
827 ut_assertok(gpio_request_by_name(dev, "test2-gpios", 2, &stop, 0));
828 ptr = acpigen_get_current(ctx);
830 ut_assertok(acpi_device_add_power_res(ctx, txbit, "\\_SB.GPC0",
831 "\\_SB.SPC0", &reset, 2, 3,
832 &enable, 4, 5, &stop, 6, 7));
833 ut_asserteq(0x186, acpigen_get_current(ctx) - ptr);
834 ut_asserteq_strn("PRIC", (char *)ptr + 0x18);
836 /* First the 'ON' sequence - spot check */
837 ut_asserteq_strn("_ON_", (char *)ptr + 0x38);
840 ut_asserteq(addr + reset.offset, get_unaligned((u32 *)(ptr + 0x49)));
841 ut_asserteq(OR_OP, ptr[0x52]);
844 ut_asserteq(addr + enable.offset, get_unaligned((u32 *)(ptr + 0x72)));
845 ut_asserteq(OR_OP, ptr[0x7b]);
848 ut_asserteq(addr + reset.offset, get_unaligned((u32 *)(ptr + 0x9f)));
849 ut_asserteq(NOT_OP, ptr[0xa8]);
851 /* stop set (disable, active low) */
852 ut_asserteq(addr_act_low + stop.offset,
853 get_unaligned((u32 *)(ptr + 0xcf)));
854 ut_asserteq(OR_OP, ptr[0xd8]);
856 /* Now the 'OFF' sequence */
857 ut_asserteq_strn("_OFF", (char *)ptr + 0xf4);
859 /* stop clear (enable, active low) */
860 ut_asserteq(addr_act_low + stop.offset,
861 get_unaligned((u32 *)(ptr + 0x105)));
862 ut_asserteq(NOT_OP, ptr[0x10e]);
865 ut_asserteq(addr + reset.offset, get_unaligned((u32 *)(ptr + 0x135)));
866 ut_asserteq(OR_OP, ptr[0x13e]);
869 ut_asserteq(addr + enable.offset, get_unaligned((u32 *)(ptr + 0x162)));
870 ut_asserteq(NOT_OP, ptr[0x16b]);
876 DM_TEST(dm_test_acpi_power_seq, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
878 /* Test writing values */
879 static int dm_test_acpi_write_values(struct unit_test_state *uts)
881 struct acpi_ctx *ctx;
884 ut_assertok(alloc_context(&ctx));
885 ptr = acpigen_get_current(ctx);
887 acpigen_write_zero(ctx);
888 acpigen_write_one(ctx);
889 acpigen_write_byte(ctx, TEST_INT8);
890 acpigen_write_word(ctx, TEST_INT16);
891 acpigen_write_dword(ctx, TEST_INT32);
892 acpigen_write_qword(ctx, TEST_INT64);
894 ut_asserteq(ZERO_OP, *ptr++);
896 ut_asserteq(ONE_OP, *ptr++);
898 ut_asserteq(BYTE_PREFIX, *ptr++);
899 ut_asserteq(TEST_INT8, *ptr++);
901 ut_asserteq(WORD_PREFIX, *ptr++);
902 ut_asserteq(TEST_INT16, get_unaligned((u16 *)ptr));
905 ut_asserteq(DWORD_PREFIX, *ptr++);
906 ut_asserteq(TEST_INT32, get_unaligned((u32 *)ptr));
909 ut_asserteq(QWORD_PREFIX, *ptr++);
910 ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)ptr));
913 ut_asserteq_ptr(ptr, ctx->current);
919 DM_TEST(dm_test_acpi_write_values, 0);
921 /* Test writing a scope */
922 static int dm_test_acpi_scope(struct unit_test_state *uts)
924 char buf[ACPI_PATH_MAX];
925 struct acpi_ctx *ctx;
929 ut_assertok(alloc_context(&ctx));
930 ptr = acpigen_get_current(ctx);
932 ut_assertok(uclass_first_device_err(UCLASS_TEST_ACPI, &dev));
933 ut_assertok(acpi_device_path(dev, buf, sizeof(buf)));
934 acpigen_write_scope(ctx, buf);
935 acpigen_pop_len(ctx);
937 ut_asserteq(SCOPE_OP, *ptr++);
938 ut_asserteq(13, acpi_test_get_length(ptr));
940 ut_asserteq(ROOT_PREFIX, *ptr++);
941 ut_asserteq(DUAL_NAME_PREFIX, *ptr++);
942 ut_asserteq_strn("_SB_" ACPI_TEST_DEV_NAME, (char *)ptr);
944 ut_asserteq_ptr(ptr, ctx->current);
950 DM_TEST(dm_test_acpi_scope, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
952 /* Test writing a resource template */
953 static int dm_test_acpi_resource_template(struct unit_test_state *uts)
955 struct acpi_gen_regaddr addr;
956 struct acpi_ctx *ctx;
959 ut_assertok(alloc_context(&ctx));
960 ptr = acpigen_get_current(ctx);
962 addr.space_id = ACPI_ADDRESS_SPACE_EC;
965 addr.access_size = ACPI_ACCESS_SIZE_DWORD_ACCESS;
966 addr.addrl = TEST_INT64 & 0xffffffff;
967 addr.addrh = TEST_INT64 >> 32;
968 acpigen_write_register_resource(ctx, &addr);
970 ut_asserteq(BUFFER_OP, *ptr++);
971 ut_asserteq(0x17, acpi_test_get_length(ptr));
973 ut_asserteq(WORD_PREFIX, *ptr++);
974 ut_asserteq(0x11, get_unaligned((u16 *)ptr));
976 ut_asserteq(ACPI_DESCRIPTOR_REGISTER, *ptr++);
977 ut_asserteq(0xc, *ptr++);
978 ut_asserteq(0, *ptr++);
979 ut_asserteq(ACPI_ADDRESS_SPACE_EC, *ptr++);
980 ut_asserteq(32, *ptr++);
981 ut_asserteq(8, *ptr++);
982 ut_asserteq(ACPI_ACCESS_SIZE_DWORD_ACCESS, *ptr++);
983 ut_asserteq(TEST_INT64 & 0xffffffff, get_unaligned((u32 *)ptr));
985 ut_asserteq(TEST_INT64 >> 32, get_unaligned((u32 *)ptr));
987 ut_asserteq(ACPI_END_TAG, *ptr++);
988 ut_asserteq(0x00, *ptr++);
989 ut_asserteq_ptr(ptr, ctx->current);
995 DM_TEST(dm_test_acpi_resource_template, 0);
997 /* Test writing a device */
998 static int dm_test_acpi_device(struct unit_test_state *uts)
1000 struct acpi_ctx *ctx;
1003 ut_assertok(alloc_context(&ctx));
1004 ptr = acpigen_get_current(ctx);
1006 acpigen_write_device(ctx, "\\_SB." ACPI_TEST_DEV_NAME);
1007 acpigen_pop_len(ctx);
1009 ut_asserteq(EXT_OP_PREFIX, *ptr++);
1010 ut_asserteq(DEVICE_OP, *ptr++);
1011 ut_asserteq(0xd, acpi_test_get_length(ptr));
1013 ut_asserteq(ROOT_PREFIX, *ptr++);
1014 ut_asserteq(DUAL_NAME_PREFIX, *ptr++);
1016 ut_asserteq_ptr(ptr, ctx->current);
1022 DM_TEST(dm_test_acpi_device, 0);
1024 /* Test writing named values */
1025 static int dm_test_acpi_write_name(struct unit_test_state *uts)
1027 const char *name = "\\_SB." ACPI_TEST_DEV_NAME;
1028 struct acpi_ctx *ctx;
1031 ut_assertok(alloc_context(&ctx));
1032 ptr = acpigen_get_current(ctx);
1034 acpigen_write_name_zero(ctx, name);
1035 acpigen_write_name_one(ctx, name);
1036 acpigen_write_name_byte(ctx, name, TEST_INT8);
1037 acpigen_write_name_word(ctx, name, TEST_INT16);
1038 acpigen_write_name_dword(ctx, name, TEST_INT32);
1039 acpigen_write_name_qword(ctx, name, TEST_INT64);
1040 acpigen_write_name_integer(ctx, name, TEST_INT64 + 1);
1041 acpigen_write_name_string(ctx, name, "baldrick");
1042 acpigen_write_name_string(ctx, name, NULL);
1044 ut_asserteq(NAME_OP, *ptr++);
1045 ut_asserteq_strn("\\._SB_ABCD", (char *)ptr);
1047 ut_asserteq(ZERO_OP, *ptr++);
1049 ut_asserteq(NAME_OP, *ptr++);
1051 ut_asserteq(ONE_OP, *ptr++);
1053 ut_asserteq(NAME_OP, *ptr++);
1055 ut_asserteq(BYTE_PREFIX, *ptr++);
1056 ut_asserteq(TEST_INT8, *ptr++);
1058 ut_asserteq(NAME_OP, *ptr++);
1060 ut_asserteq(WORD_PREFIX, *ptr++);
1061 ut_asserteq(TEST_INT16, get_unaligned((u16 *)ptr));
1064 ut_asserteq(NAME_OP, *ptr++);
1066 ut_asserteq(DWORD_PREFIX, *ptr++);
1067 ut_asserteq(TEST_INT32, get_unaligned((u32 *)ptr));
1070 ut_asserteq(NAME_OP, *ptr++);
1072 ut_asserteq(QWORD_PREFIX, *ptr++);
1073 ut_asserteq_64(TEST_INT64, get_unaligned((u64 *)ptr));
1076 ut_asserteq(NAME_OP, *ptr++);
1078 ut_asserteq(QWORD_PREFIX, *ptr++);
1079 ut_asserteq_64(TEST_INT64 + 1, get_unaligned((u64 *)ptr));
1082 ut_asserteq(NAME_OP, *ptr++);
1084 ut_asserteq(STRING_PREFIX, *ptr++);
1085 ut_asserteq_str("baldrick", (char *)ptr)
1088 ut_asserteq(NAME_OP, *ptr++);
1090 ut_asserteq(STRING_PREFIX, *ptr++);
1091 ut_asserteq('\0', *ptr++);
1093 ut_asserteq_ptr(ptr, ctx->current);
1099 DM_TEST(dm_test_acpi_write_name, 0);
1101 /* Test emitting a _PRW component */
1102 static int dm_test_acpi_write_prw(struct unit_test_state *uts)
1104 struct acpi_ctx *ctx;
1107 ut_assertok(alloc_context(&ctx));
1109 ptr = acpigen_get_current(ctx);
1110 acpigen_write_prw(ctx, 5, 3);
1111 ut_asserteq(NAME_OP, *ptr++);
1113 ut_asserteq_strn("_PRW", (char *)ptr);
1115 ut_asserteq(PACKAGE_OP, *ptr++);
1116 ut_asserteq(8, acpi_test_get_length(ptr));
1118 ut_asserteq(2, *ptr++);
1119 ut_asserteq(BYTE_PREFIX, *ptr++);
1120 ut_asserteq(5, *ptr++);
1121 ut_asserteq(BYTE_PREFIX, *ptr++);
1122 ut_asserteq(3, *ptr++);
1123 ut_asserteq_ptr(ptr, ctx->current);
1129 DM_TEST(dm_test_acpi_write_prw, 0);