amlresrc.h 17 KB

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  1. /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
  2. /******************************************************************************
  3. *
  4. * Module Name: amlresrc.h - AML resource descriptors
  5. *
  6. * Copyright (C) 2000 - 2022, Intel Corp.
  7. *
  8. *****************************************************************************/
  9. /* acpisrc:struct_defs -- for acpisrc conversion */
  10. #ifndef __AMLRESRC_H
  11. #define __AMLRESRC_H
  12. /*
  13. * Resource descriptor tags, as defined in the ACPI specification.
  14. * Used to symbolically reference fields within a descriptor.
  15. */
  16. #define ACPI_RESTAG_ADDRESS "_ADR"
  17. #define ACPI_RESTAG_ALIGNMENT "_ALN"
  18. #define ACPI_RESTAG_ADDRESSSPACE "_ASI"
  19. #define ACPI_RESTAG_ACCESSSIZE "_ASZ"
  20. #define ACPI_RESTAG_TYPESPECIFICATTRIBUTES "_ATT"
  21. #define ACPI_RESTAG_BASEADDRESS "_BAS"
  22. #define ACPI_RESTAG_BUSMASTER "_BM_" /* Master(1), Slave(0) */
  23. #define ACPI_RESTAG_DEBOUNCETIME "_DBT"
  24. #define ACPI_RESTAG_DECODE "_DEC"
  25. #define ACPI_RESTAG_DEVICEPOLARITY "_DPL"
  26. #define ACPI_RESTAG_DMA "_DMA"
  27. #define ACPI_RESTAG_DMATYPE "_TYP" /* Compatible(0), A(1), B(2), F(3) */
  28. #define ACPI_RESTAG_DRIVESTRENGTH "_DRS"
  29. #define ACPI_RESTAG_ENDIANNESS "_END"
  30. #define ACPI_RESTAG_FLOWCONTROL "_FLC"
  31. #define ACPI_RESTAG_FUNCTION "_FUN"
  32. #define ACPI_RESTAG_GRANULARITY "_GRA"
  33. #define ACPI_RESTAG_INTERRUPT "_INT"
  34. #define ACPI_RESTAG_INTERRUPTLEVEL "_LL_" /* active_lo(1), active_hi(0) */
  35. #define ACPI_RESTAG_INTERRUPTSHARE "_SHR" /* Shareable(1), no_share(0) */
  36. #define ACPI_RESTAG_INTERRUPTTYPE "_HE_" /* Edge(1), Level(0) */
  37. #define ACPI_RESTAG_IORESTRICTION "_IOR"
  38. #define ACPI_RESTAG_LENGTH "_LEN"
  39. #define ACPI_RESTAG_LINE "_LIN"
  40. #define ACPI_RESTAG_LOCALPORT "_PRT"
  41. #define ACPI_RESTAG_MEMATTRIBUTES "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
  42. #define ACPI_RESTAG_MEMTYPE "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
  43. #define ACPI_RESTAG_MAXADDR "_MAX"
  44. #define ACPI_RESTAG_MINADDR "_MIN"
  45. #define ACPI_RESTAG_MAXTYPE "_MAF"
  46. #define ACPI_RESTAG_MINTYPE "_MIF"
  47. #define ACPI_RESTAG_MODE "_MOD"
  48. #define ACPI_RESTAG_PARITY "_PAR"
  49. #define ACPI_RESTAG_PHASE "_PHA"
  50. #define ACPI_RESTAG_PHYTYPE "_PHY"
  51. #define ACPI_RESTAG_PIN "_PIN"
  52. #define ACPI_RESTAG_PINCONFIG "_PPI"
  53. #define ACPI_RESTAG_PINCONFIG_TYPE "_TYP"
  54. #define ACPI_RESTAG_PINCONFIG_VALUE "_VAL"
  55. #define ACPI_RESTAG_POLARITY "_POL"
  56. #define ACPI_RESTAG_REGISTERBITOFFSET "_RBO"
  57. #define ACPI_RESTAG_REGISTERBITWIDTH "_RBW"
  58. #define ACPI_RESTAG_RANGETYPE "_RNG"
  59. #define ACPI_RESTAG_READWRITETYPE "_RW_" /* read_only(0), Writeable (1) */
  60. #define ACPI_RESTAG_LENGTH_RX "_RXL"
  61. #define ACPI_RESTAG_LENGTH_TX "_TXL"
  62. #define ACPI_RESTAG_SLAVEMODE "_SLV"
  63. #define ACPI_RESTAG_SPEED "_SPE"
  64. #define ACPI_RESTAG_STOPBITS "_STB"
  65. #define ACPI_RESTAG_TRANSLATION "_TRA"
  66. #define ACPI_RESTAG_TRANSTYPE "_TRS" /* Sparse(1), Dense(0) */
  67. #define ACPI_RESTAG_TYPE "_TTP" /* Translation(1), Static (0) */
  68. #define ACPI_RESTAG_XFERTYPE "_SIZ" /* 8(0), 8And16(1), 16(2) */
  69. #define ACPI_RESTAG_VENDORDATA "_VEN"
  70. /* Default sizes for "small" resource descriptors */
  71. #define ASL_RDESC_IRQ_SIZE 0x02
  72. #define ASL_RDESC_DMA_SIZE 0x02
  73. #define ASL_RDESC_ST_DEPEND_SIZE 0x00
  74. #define ASL_RDESC_END_DEPEND_SIZE 0x00
  75. #define ASL_RDESC_IO_SIZE 0x07
  76. #define ASL_RDESC_FIXED_IO_SIZE 0x03
  77. #define ASL_RDESC_FIXED_DMA_SIZE 0x05
  78. #define ASL_RDESC_END_TAG_SIZE 0x01
  79. struct asl_resource_node {
  80. u32 buffer_length;
  81. void *buffer;
  82. struct asl_resource_node *next;
  83. };
  84. struct asl_resource_info {
  85. union acpi_parse_object *descriptor_type_op; /* Resource descriptor parse node */
  86. union acpi_parse_object *mapping_op; /* Used for mapfile support */
  87. u32 current_byte_offset; /* Offset in resource template */
  88. };
  89. /* Macros used to generate AML resource length fields */
  90. #define ACPI_AML_SIZE_LARGE(r) (sizeof (r) - sizeof (struct aml_resource_large_header))
  91. #define ACPI_AML_SIZE_SMALL(r) (sizeof (r) - sizeof (struct aml_resource_small_header))
  92. /*
  93. * Resource descriptors defined in the ACPI specification.
  94. *
  95. * Packing/alignment must be BYTE because these descriptors
  96. * are used to overlay the raw AML byte stream.
  97. */
  98. #pragma pack(1)
  99. /*
  100. * SMALL descriptors
  101. */
  102. #define AML_RESOURCE_SMALL_HEADER_COMMON \
  103. u8 descriptor_type;
  104. struct aml_resource_small_header {
  105. AML_RESOURCE_SMALL_HEADER_COMMON};
  106. struct aml_resource_irq {
  107. AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
  108. u8 flags;
  109. };
  110. struct aml_resource_irq_noflags {
  111. AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
  112. };
  113. struct aml_resource_dma {
  114. AML_RESOURCE_SMALL_HEADER_COMMON u8 dma_channel_mask;
  115. u8 flags;
  116. };
  117. struct aml_resource_start_dependent {
  118. AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
  119. };
  120. struct aml_resource_start_dependent_noprio {
  121. AML_RESOURCE_SMALL_HEADER_COMMON};
  122. struct aml_resource_end_dependent {
  123. AML_RESOURCE_SMALL_HEADER_COMMON};
  124. struct aml_resource_io {
  125. AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
  126. u16 minimum;
  127. u16 maximum;
  128. u8 alignment;
  129. u8 address_length;
  130. };
  131. struct aml_resource_fixed_io {
  132. AML_RESOURCE_SMALL_HEADER_COMMON u16 address;
  133. u8 address_length;
  134. };
  135. struct aml_resource_vendor_small {
  136. AML_RESOURCE_SMALL_HEADER_COMMON};
  137. struct aml_resource_end_tag {
  138. AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum;
  139. };
  140. struct aml_resource_fixed_dma {
  141. AML_RESOURCE_SMALL_HEADER_COMMON u16 request_lines;
  142. u16 channels;
  143. u8 width;
  144. };
  145. /*
  146. * LARGE descriptors
  147. */
  148. #define AML_RESOURCE_LARGE_HEADER_COMMON \
  149. u8 descriptor_type;\
  150. u16 resource_length;
  151. struct aml_resource_large_header {
  152. AML_RESOURCE_LARGE_HEADER_COMMON};
  153. /* General Flags for address space resource descriptors */
  154. #define ACPI_RESOURCE_FLAG_DEC 2
  155. #define ACPI_RESOURCE_FLAG_MIF 4
  156. #define ACPI_RESOURCE_FLAG_MAF 8
  157. struct aml_resource_memory24 {
  158. AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
  159. u16 minimum;
  160. u16 maximum;
  161. u16 alignment;
  162. u16 address_length;
  163. };
  164. struct aml_resource_vendor_large {
  165. AML_RESOURCE_LARGE_HEADER_COMMON};
  166. struct aml_resource_memory32 {
  167. AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
  168. u32 minimum;
  169. u32 maximum;
  170. u32 alignment;
  171. u32 address_length;
  172. };
  173. struct aml_resource_fixed_memory32 {
  174. AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
  175. u32 address;
  176. u32 address_length;
  177. };
  178. #define AML_RESOURCE_ADDRESS_COMMON \
  179. u8 resource_type; \
  180. u8 flags; \
  181. u8 specific_flags;
  182. struct aml_resource_address {
  183. AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON};
  184. struct aml_resource_extended_address64 {
  185. AML_RESOURCE_LARGE_HEADER_COMMON
  186. AML_RESOURCE_ADDRESS_COMMON u8 revision_ID;
  187. u8 reserved;
  188. u64 granularity;
  189. u64 minimum;
  190. u64 maximum;
  191. u64 translation_offset;
  192. u64 address_length;
  193. u64 type_specific;
  194. };
  195. #define AML_RESOURCE_EXTENDED_ADDRESS_REVISION 1 /* ACPI 3.0 */
  196. struct aml_resource_address64 {
  197. AML_RESOURCE_LARGE_HEADER_COMMON
  198. AML_RESOURCE_ADDRESS_COMMON u64 granularity;
  199. u64 minimum;
  200. u64 maximum;
  201. u64 translation_offset;
  202. u64 address_length;
  203. };
  204. struct aml_resource_address32 {
  205. AML_RESOURCE_LARGE_HEADER_COMMON
  206. AML_RESOURCE_ADDRESS_COMMON u32 granularity;
  207. u32 minimum;
  208. u32 maximum;
  209. u32 translation_offset;
  210. u32 address_length;
  211. };
  212. struct aml_resource_address16 {
  213. AML_RESOURCE_LARGE_HEADER_COMMON
  214. AML_RESOURCE_ADDRESS_COMMON u16 granularity;
  215. u16 minimum;
  216. u16 maximum;
  217. u16 translation_offset;
  218. u16 address_length;
  219. };
  220. struct aml_resource_extended_irq {
  221. AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
  222. u8 interrupt_count;
  223. u32 interrupts[1];
  224. /* res_source_index, res_source optional fields follow */
  225. };
  226. struct aml_resource_generic_register {
  227. AML_RESOURCE_LARGE_HEADER_COMMON u8 address_space_id;
  228. u8 bit_width;
  229. u8 bit_offset;
  230. u8 access_size; /* ACPI 3.0, was previously Reserved */
  231. u64 address;
  232. };
  233. /* Common descriptor for gpio_int and gpio_io (ACPI 5.0) */
  234. struct aml_resource_gpio {
  235. AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
  236. u8 connection_type;
  237. u16 flags;
  238. u16 int_flags;
  239. u8 pin_config;
  240. u16 drive_strength;
  241. u16 debounce_timeout;
  242. u16 pin_table_offset;
  243. u8 res_source_index;
  244. u16 res_source_offset;
  245. u16 vendor_offset;
  246. u16 vendor_length;
  247. /*
  248. * Optional fields follow immediately:
  249. * 1) PIN list (Words)
  250. * 2) Resource Source String
  251. * 3) Vendor Data bytes
  252. */
  253. };
  254. #define AML_RESOURCE_GPIO_REVISION 1 /* ACPI 5.0 */
  255. /* Values for connection_type above */
  256. #define AML_RESOURCE_GPIO_TYPE_INT 0
  257. #define AML_RESOURCE_GPIO_TYPE_IO 1
  258. #define AML_RESOURCE_MAX_GPIOTYPE 1
  259. /* Common preamble for all serial descriptors (ACPI 5.0) */
  260. #define AML_RESOURCE_SERIAL_COMMON \
  261. u8 revision_id; \
  262. u8 res_source_index; \
  263. u8 type; \
  264. u8 flags; \
  265. u16 type_specific_flags; \
  266. u8 type_revision_id; \
  267. u16 type_data_length; \
  268. /* Values for the type field above */
  269. #define AML_RESOURCE_I2C_SERIALBUSTYPE 1
  270. #define AML_RESOURCE_SPI_SERIALBUSTYPE 2
  271. #define AML_RESOURCE_UART_SERIALBUSTYPE 3
  272. #define AML_RESOURCE_CSI2_SERIALBUSTYPE 4
  273. #define AML_RESOURCE_MAX_SERIALBUSTYPE 4
  274. #define AML_RESOURCE_VENDOR_SERIALBUSTYPE 192 /* Vendor defined is 0xC0-0xFF (NOT SUPPORTED) */
  275. struct aml_resource_common_serialbus {
  276. AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON};
  277. struct aml_resource_csi2_serialbus {
  278. AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON
  279. /*
  280. * Optional fields follow immediately:
  281. * 1) Vendor Data bytes
  282. * 2) Resource Source String
  283. */
  284. };
  285. #define AML_RESOURCE_CSI2_REVISION 1 /* ACPI 6.4 */
  286. #define AML_RESOURCE_CSI2_TYPE_REVISION 1 /* ACPI 6.4 */
  287. #define AML_RESOURCE_CSI2_MIN_DATA_LEN 0 /* ACPI 6.4 */
  288. struct aml_resource_i2c_serialbus {
  289. AML_RESOURCE_LARGE_HEADER_COMMON
  290. AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
  291. u16 slave_address;
  292. /*
  293. * Optional fields follow immediately:
  294. * 1) Vendor Data bytes
  295. * 2) Resource Source String
  296. */
  297. };
  298. #define AML_RESOURCE_I2C_REVISION 1 /* ACPI 5.0 */
  299. #define AML_RESOURCE_I2C_TYPE_REVISION 1 /* ACPI 5.0 */
  300. #define AML_RESOURCE_I2C_MIN_DATA_LEN 6
  301. struct aml_resource_spi_serialbus {
  302. AML_RESOURCE_LARGE_HEADER_COMMON
  303. AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
  304. u8 data_bit_length;
  305. u8 clock_phase;
  306. u8 clock_polarity;
  307. u16 device_selection;
  308. /*
  309. * Optional fields follow immediately:
  310. * 1) Vendor Data bytes
  311. * 2) Resource Source String
  312. */
  313. };
  314. #define AML_RESOURCE_SPI_REVISION 1 /* ACPI 5.0 */
  315. #define AML_RESOURCE_SPI_TYPE_REVISION 1 /* ACPI 5.0 */
  316. #define AML_RESOURCE_SPI_MIN_DATA_LEN 9
  317. struct aml_resource_uart_serialbus {
  318. AML_RESOURCE_LARGE_HEADER_COMMON
  319. AML_RESOURCE_SERIAL_COMMON u32 default_baud_rate;
  320. u16 rx_fifo_size;
  321. u16 tx_fifo_size;
  322. u8 parity;
  323. u8 lines_enabled;
  324. /*
  325. * Optional fields follow immediately:
  326. * 1) Vendor Data bytes
  327. * 2) Resource Source String
  328. */
  329. };
  330. #define AML_RESOURCE_UART_REVISION 1 /* ACPI 5.0 */
  331. #define AML_RESOURCE_UART_TYPE_REVISION 1 /* ACPI 5.0 */
  332. #define AML_RESOURCE_UART_MIN_DATA_LEN 10
  333. struct aml_resource_pin_function {
  334. AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
  335. u16 flags;
  336. u8 pin_config;
  337. u16 function_number;
  338. u16 pin_table_offset;
  339. u8 res_source_index;
  340. u16 res_source_offset;
  341. u16 vendor_offset;
  342. u16 vendor_length;
  343. /*
  344. * Optional fields follow immediately:
  345. * 1) PIN list (Words)
  346. * 2) Resource Source String
  347. * 3) Vendor Data bytes
  348. */
  349. };
  350. #define AML_RESOURCE_PIN_FUNCTION_REVISION 1 /* ACPI 6.2 */
  351. struct aml_resource_pin_config {
  352. AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
  353. u16 flags;
  354. u8 pin_config_type;
  355. u32 pin_config_value;
  356. u16 pin_table_offset;
  357. u8 res_source_index;
  358. u16 res_source_offset;
  359. u16 vendor_offset;
  360. u16 vendor_length;
  361. /*
  362. * Optional fields follow immediately:
  363. * 1) PIN list (Words)
  364. * 2) Resource Source String
  365. * 3) Vendor Data bytes
  366. */
  367. };
  368. #define AML_RESOURCE_PIN_CONFIG_REVISION 1 /* ACPI 6.2 */
  369. struct aml_resource_pin_group {
  370. AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
  371. u16 flags;
  372. u16 pin_table_offset;
  373. u16 label_offset;
  374. u16 vendor_offset;
  375. u16 vendor_length;
  376. /*
  377. * Optional fields follow immediately:
  378. * 1) PIN list (Words)
  379. * 2) Resource Label String
  380. * 3) Vendor Data bytes
  381. */
  382. };
  383. #define AML_RESOURCE_PIN_GROUP_REVISION 1 /* ACPI 6.2 */
  384. struct aml_resource_pin_group_function {
  385. AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
  386. u16 flags;
  387. u16 function_number;
  388. u8 res_source_index;
  389. u16 res_source_offset;
  390. u16 res_source_label_offset;
  391. u16 vendor_offset;
  392. u16 vendor_length;
  393. /*
  394. * Optional fields follow immediately:
  395. * 1) Resource Source String
  396. * 2) Resource Source Label String
  397. * 3) Vendor Data bytes
  398. */
  399. };
  400. #define AML_RESOURCE_PIN_GROUP_FUNCTION_REVISION 1 /* ACPI 6.2 */
  401. struct aml_resource_pin_group_config {
  402. AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
  403. u16 flags;
  404. u8 pin_config_type;
  405. u32 pin_config_value;
  406. u8 res_source_index;
  407. u16 res_source_offset;
  408. u16 res_source_label_offset;
  409. u16 vendor_offset;
  410. u16 vendor_length;
  411. /*
  412. * Optional fields follow immediately:
  413. * 1) Resource Source String
  414. * 2) Resource Source Label String
  415. * 3) Vendor Data bytes
  416. */
  417. };
  418. #define AML_RESOURCE_PIN_GROUP_CONFIG_REVISION 1 /* ACPI 6.2 */
  419. /* restore default alignment */
  420. #pragma pack()
  421. /* Union of all resource descriptors, so we can allocate the worst case */
  422. union aml_resource {
  423. /* Descriptor headers */
  424. u8 descriptor_type;
  425. struct aml_resource_small_header small_header;
  426. struct aml_resource_large_header large_header;
  427. /* Small resource descriptors */
  428. struct aml_resource_irq irq;
  429. struct aml_resource_dma dma;
  430. struct aml_resource_start_dependent start_dpf;
  431. struct aml_resource_end_dependent end_dpf;
  432. struct aml_resource_io io;
  433. struct aml_resource_fixed_io fixed_io;
  434. struct aml_resource_fixed_dma fixed_dma;
  435. struct aml_resource_vendor_small vendor_small;
  436. struct aml_resource_end_tag end_tag;
  437. /* Large resource descriptors */
  438. struct aml_resource_memory24 memory24;
  439. struct aml_resource_generic_register generic_reg;
  440. struct aml_resource_vendor_large vendor_large;
  441. struct aml_resource_memory32 memory32;
  442. struct aml_resource_fixed_memory32 fixed_memory32;
  443. struct aml_resource_address16 address16;
  444. struct aml_resource_address32 address32;
  445. struct aml_resource_address64 address64;
  446. struct aml_resource_extended_address64 ext_address64;
  447. struct aml_resource_extended_irq extended_irq;
  448. struct aml_resource_gpio gpio;
  449. struct aml_resource_i2c_serialbus i2c_serial_bus;
  450. struct aml_resource_spi_serialbus spi_serial_bus;
  451. struct aml_resource_uart_serialbus uart_serial_bus;
  452. struct aml_resource_csi2_serialbus csi2_serial_bus;
  453. struct aml_resource_common_serialbus common_serial_bus;
  454. struct aml_resource_pin_function pin_function;
  455. struct aml_resource_pin_config pin_config;
  456. struct aml_resource_pin_group pin_group;
  457. struct aml_resource_pin_group_function pin_group_function;
  458. struct aml_resource_pin_group_config pin_group_config;
  459. /* Utility overlays */
  460. struct aml_resource_address address;
  461. u32 dword_item;
  462. u16 word_item;
  463. u8 byte_item;
  464. };
  465. /* Interfaces used by both the disassembler and compiler */
  466. void
  467. mp_save_gpio_info(union acpi_parse_object *op,
  468. union aml_resource *resource,
  469. u32 pin_count, u16 *pin_list, char *device_name);
  470. void
  471. mp_save_serial_info(union acpi_parse_object *op,
  472. union aml_resource *resource, char *device_name);
  473. char *mp_get_hid_from_parse_tree(struct acpi_namespace_node *hid_node);
  474. char *mp_get_hid_via_namestring(char *device_name);
  475. char *mp_get_connection_info(union acpi_parse_object *op,
  476. u32 pin_index,
  477. struct acpi_namespace_node **target_node,
  478. char **target_name);
  479. char *mp_get_parent_device_hid(union acpi_parse_object *op,
  480. struct acpi_namespace_node **target_node,
  481. char **parent_device_name);
  482. char *mp_get_ddn_value(char *device_name);
  483. char *mp_get_hid_value(struct acpi_namespace_node *device_node);
  484. #endif