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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 - 2020, Intel Corp.
7 *
8 *****************************************************************************/
9
10/* acpisrc:struct_defs -- for acpisrc conversion */
11
12#ifndef __AMLRESRC_H
13#define __AMLRESRC_H
14
15/*
16 * Resource descriptor tags, as defined in the ACPI specification.
17 * Used to symbolically reference fields within a descriptor.
18 */
19#define ACPI_RESTAG_ADDRESS "_ADR"
20#define ACPI_RESTAG_ALIGNMENT "_ALN"
21#define ACPI_RESTAG_ADDRESSSPACE "_ASI"
22#define ACPI_RESTAG_ACCESSSIZE "_ASZ"
23#define ACPI_RESTAG_TYPESPECIFICATTRIBUTES "_ATT"
24#define ACPI_RESTAG_BASEADDRESS "_BAS"
25#define ACPI_RESTAG_BUSMASTER "_BM_" /* Master(1), Slave(0) */
26#define ACPI_RESTAG_DEBOUNCETIME "_DBT"
27#define ACPI_RESTAG_DECODE "_DEC"
28#define ACPI_RESTAG_DEVICEPOLARITY "_DPL"
29#define ACPI_RESTAG_DMA "_DMA"
30#define ACPI_RESTAG_DMATYPE "_TYP" /* Compatible(0), A(1), B(2), F(3) */
31#define ACPI_RESTAG_DRIVESTRENGTH "_DRS"
32#define ACPI_RESTAG_ENDIANNESS "_END"
33#define ACPI_RESTAG_FLOWCONTROL "_FLC"
34#define ACPI_RESTAG_FUNCTION "_FUN"
35#define ACPI_RESTAG_GRANULARITY "_GRA"
36#define ACPI_RESTAG_INTERRUPT "_INT"
37#define ACPI_RESTAG_INTERRUPTLEVEL "_LL_" /* active_lo(1), active_hi(0) */
38#define ACPI_RESTAG_INTERRUPTSHARE "_SHR" /* Shareable(1), no_share(0) */
39#define ACPI_RESTAG_INTERRUPTTYPE "_HE_" /* Edge(1), Level(0) */
40#define ACPI_RESTAG_IORESTRICTION "_IOR"
41#define ACPI_RESTAG_LENGTH "_LEN"
42#define ACPI_RESTAG_LINE "_LIN"
43#define ACPI_RESTAG_MEMATTRIBUTES "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
44#define ACPI_RESTAG_MEMTYPE "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
45#define ACPI_RESTAG_MAXADDR "_MAX"
46#define ACPI_RESTAG_MINADDR "_MIN"
47#define ACPI_RESTAG_MAXTYPE "_MAF"
48#define ACPI_RESTAG_MINTYPE "_MIF"
49#define ACPI_RESTAG_MODE "_MOD"
50#define ACPI_RESTAG_PARITY "_PAR"
51#define ACPI_RESTAG_PHASE "_PHA"
52#define ACPI_RESTAG_PIN "_PIN"
53#define ACPI_RESTAG_PINCONFIG "_PPI"
54#define ACPI_RESTAG_PINCONFIG_TYPE "_TYP"
55#define ACPI_RESTAG_PINCONFIG_VALUE "_VAL"
56#define ACPI_RESTAG_POLARITY "_POL"
57#define ACPI_RESTAG_REGISTERBITOFFSET "_RBO"
58#define ACPI_RESTAG_REGISTERBITWIDTH "_RBW"
59#define ACPI_RESTAG_RANGETYPE "_RNG"
60#define ACPI_RESTAG_READWRITETYPE "_RW_" /* read_only(0), Writeable (1) */
61#define ACPI_RESTAG_LENGTH_RX "_RXL"
62#define ACPI_RESTAG_LENGTH_TX "_TXL"
63#define ACPI_RESTAG_SLAVEMODE "_SLV"
64#define ACPI_RESTAG_SPEED "_SPE"
65#define ACPI_RESTAG_STOPBITS "_STB"
66#define ACPI_RESTAG_TRANSLATION "_TRA"
67#define ACPI_RESTAG_TRANSTYPE "_TRS" /* Sparse(1), Dense(0) */
68#define ACPI_RESTAG_TYPE "_TTP" /* Translation(1), Static (0) */
69#define ACPI_RESTAG_XFERTYPE "_SIZ" /* 8(0), 8And16(1), 16(2) */
70#define ACPI_RESTAG_VENDORDATA "_VEN"
71
72/* Default sizes for "small" resource descriptors */
73
74#define ASL_RDESC_IRQ_SIZE 0x02
75#define ASL_RDESC_DMA_SIZE 0x02
76#define ASL_RDESC_ST_DEPEND_SIZE 0x00
77#define ASL_RDESC_END_DEPEND_SIZE 0x00
78#define ASL_RDESC_IO_SIZE 0x07
79#define ASL_RDESC_FIXED_IO_SIZE 0x03
80#define ASL_RDESC_FIXED_DMA_SIZE 0x05
81#define ASL_RDESC_END_TAG_SIZE 0x01
82
83struct asl_resource_node {
84 u32 buffer_length;
85 void *buffer;
86 struct asl_resource_node *next;
87};
88
89struct asl_resource_info {
90 union acpi_parse_object *descriptor_type_op; /* Resource descriptor parse node */
91 union acpi_parse_object *mapping_op; /* Used for mapfile support */
92 u32 current_byte_offset; /* Offset in resource template */
93};
94
95/* Macros used to generate AML resource length fields */
96
97#define ACPI_AML_SIZE_LARGE(r) (sizeof (r) - sizeof (struct aml_resource_large_header))
98#define ACPI_AML_SIZE_SMALL(r) (sizeof (r) - sizeof (struct aml_resource_small_header))
99
100/*
101 * Resource descriptors defined in the ACPI specification.
102 *
103 * Packing/alignment must be BYTE because these descriptors
104 * are used to overlay the raw AML byte stream.
105 */
106#pragma pack(1)
107
108/*
109 * SMALL descriptors
110 */
111#define AML_RESOURCE_SMALL_HEADER_COMMON \
112 u8 descriptor_type;
113
114struct aml_resource_small_header {
115AML_RESOURCE_SMALL_HEADER_COMMON};
116
117struct aml_resource_irq {
118 AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
119 u8 flags;
120};
121
122struct aml_resource_irq_noflags {
123 AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
124};
125
126struct aml_resource_dma {
127 AML_RESOURCE_SMALL_HEADER_COMMON u8 dma_channel_mask;
128 u8 flags;
129};
130
131struct aml_resource_start_dependent {
132 AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
133};
134
135struct aml_resource_start_dependent_noprio {
136AML_RESOURCE_SMALL_HEADER_COMMON};
137
138struct aml_resource_end_dependent {
139AML_RESOURCE_SMALL_HEADER_COMMON};
140
141struct aml_resource_io {
142 AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
143 u16 minimum;
144 u16 maximum;
145 u8 alignment;
146 u8 address_length;
147};
148
149struct aml_resource_fixed_io {
150 AML_RESOURCE_SMALL_HEADER_COMMON u16 address;
151 u8 address_length;
152};
153
154struct aml_resource_vendor_small {
155AML_RESOURCE_SMALL_HEADER_COMMON};
156
157struct aml_resource_end_tag {
158 AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum;
159};
160
161struct aml_resource_fixed_dma {
162 AML_RESOURCE_SMALL_HEADER_COMMON u16 request_lines;
163 u16 channels;
164 u8 width;
165};
166
167/*
168 * LARGE descriptors
169 */
170#define AML_RESOURCE_LARGE_HEADER_COMMON \
171 u8 descriptor_type;\
172 u16 resource_length;
173
174struct aml_resource_large_header {
175AML_RESOURCE_LARGE_HEADER_COMMON};
176
177/* General Flags for address space resource descriptors */
178
179#define ACPI_RESOURCE_FLAG_DEC 2
180#define ACPI_RESOURCE_FLAG_MIF 4
181#define ACPI_RESOURCE_FLAG_MAF 8
182
183struct aml_resource_memory24 {
184 AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
185 u16 minimum;
186 u16 maximum;
187 u16 alignment;
188 u16 address_length;
189};
190
191struct aml_resource_vendor_large {
192AML_RESOURCE_LARGE_HEADER_COMMON};
193
194struct aml_resource_memory32 {
195 AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
196 u32 minimum;
197 u32 maximum;
198 u32 alignment;
199 u32 address_length;
200};
201
202struct aml_resource_fixed_memory32 {
203 AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
204 u32 address;
205 u32 address_length;
206};
207
208#define AML_RESOURCE_ADDRESS_COMMON \
209 u8 resource_type; \
210 u8 flags; \
211 u8 specific_flags;
212
213struct aml_resource_address {
214AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON};
215
216struct aml_resource_extended_address64 {
217 AML_RESOURCE_LARGE_HEADER_COMMON
218 AML_RESOURCE_ADDRESS_COMMON u8 revision_ID;
219 u8 reserved;
220 u64 granularity;
221 u64 minimum;
222 u64 maximum;
223 u64 translation_offset;
224 u64 address_length;
225 u64 type_specific;
226};
227
228#define AML_RESOURCE_EXTENDED_ADDRESS_REVISION 1 /* ACPI 3.0 */
229
230struct aml_resource_address64 {
231 AML_RESOURCE_LARGE_HEADER_COMMON
232 AML_RESOURCE_ADDRESS_COMMON u64 granularity;
233 u64 minimum;
234 u64 maximum;
235 u64 translation_offset;
236 u64 address_length;
237};
238
239struct aml_resource_address32 {
240 AML_RESOURCE_LARGE_HEADER_COMMON
241 AML_RESOURCE_ADDRESS_COMMON u32 granularity;
242 u32 minimum;
243 u32 maximum;
244 u32 translation_offset;
245 u32 address_length;
246};
247
248struct aml_resource_address16 {
249 AML_RESOURCE_LARGE_HEADER_COMMON
250 AML_RESOURCE_ADDRESS_COMMON u16 granularity;
251 u16 minimum;
252 u16 maximum;
253 u16 translation_offset;
254 u16 address_length;
255};
256
257struct aml_resource_extended_irq {
258 AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
259 u8 interrupt_count;
260 u32 interrupts[1];
261 /* res_source_index, res_source optional fields follow */
262};
263
264struct aml_resource_generic_register {
265 AML_RESOURCE_LARGE_HEADER_COMMON u8 address_space_id;
266 u8 bit_width;
267 u8 bit_offset;
268 u8 access_size; /* ACPI 3.0, was previously Reserved */
269 u64 address;
270};
271
272/* Common descriptor for gpio_int and gpio_io (ACPI 5.0) */
273
274struct aml_resource_gpio {
275 AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
276 u8 connection_type;
277 u16 flags;
278 u16 int_flags;
279 u8 pin_config;
280 u16 drive_strength;
281 u16 debounce_timeout;
282 u16 pin_table_offset;
283 u8 res_source_index;
284 u16 res_source_offset;
285 u16 vendor_offset;
286 u16 vendor_length;
287 /*
288 * Optional fields follow immediately:
289 * 1) PIN list (Words)
290 * 2) Resource Source String
291 * 3) Vendor Data bytes
292 */
293};
294
295#define AML_RESOURCE_GPIO_REVISION 1 /* ACPI 5.0 */
296
297/* Values for connection_type above */
298
299#define AML_RESOURCE_GPIO_TYPE_INT 0
300#define AML_RESOURCE_GPIO_TYPE_IO 1
301#define AML_RESOURCE_MAX_GPIOTYPE 1
302
303/* Common preamble for all serial descriptors (ACPI 5.0) */
304
305#define AML_RESOURCE_SERIAL_COMMON \
306 u8 revision_id; \
307 u8 res_source_index; \
308 u8 type; \
309 u8 flags; \
310 u16 type_specific_flags; \
311 u8 type_revision_id; \
312 u16 type_data_length; \
313
314/* Values for the type field above */
315
316#define AML_RESOURCE_I2C_SERIALBUSTYPE 1
317#define AML_RESOURCE_SPI_SERIALBUSTYPE 2
318#define AML_RESOURCE_UART_SERIALBUSTYPE 3
319#define AML_RESOURCE_MAX_SERIALBUSTYPE 3
320#define AML_RESOURCE_VENDOR_SERIALBUSTYPE 192 /* Vendor defined is 0xC0-0xFF (NOT SUPPORTED) */
321
322struct aml_resource_common_serialbus {
323AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON};
324
325struct aml_resource_i2c_serialbus {
326 AML_RESOURCE_LARGE_HEADER_COMMON
327 AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
328 u16 slave_address;
329 /*
330 * Optional fields follow immediately:
331 * 1) Vendor Data bytes
332 * 2) Resource Source String
333 */
334};
335
336#define AML_RESOURCE_I2C_REVISION 1 /* ACPI 5.0 */
337#define AML_RESOURCE_I2C_TYPE_REVISION 1 /* ACPI 5.0 */
338#define AML_RESOURCE_I2C_MIN_DATA_LEN 6
339
340struct aml_resource_spi_serialbus {
341 AML_RESOURCE_LARGE_HEADER_COMMON
342 AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
343 u8 data_bit_length;
344 u8 clock_phase;
345 u8 clock_polarity;
346 u16 device_selection;
347 /*
348 * Optional fields follow immediately:
349 * 1) Vendor Data bytes
350 * 2) Resource Source String
351 */
352};
353
354#define AML_RESOURCE_SPI_REVISION 1 /* ACPI 5.0 */
355#define AML_RESOURCE_SPI_TYPE_REVISION 1 /* ACPI 5.0 */
356#define AML_RESOURCE_SPI_MIN_DATA_LEN 9
357
358struct aml_resource_uart_serialbus {
359 AML_RESOURCE_LARGE_HEADER_COMMON
360 AML_RESOURCE_SERIAL_COMMON u32 default_baud_rate;
361 u16 rx_fifo_size;
362 u16 tx_fifo_size;
363 u8 parity;
364 u8 lines_enabled;
365 /*
366 * Optional fields follow immediately:
367 * 1) Vendor Data bytes
368 * 2) Resource Source String
369 */
370};
371
372#define AML_RESOURCE_UART_REVISION 1 /* ACPI 5.0 */
373#define AML_RESOURCE_UART_TYPE_REVISION 1 /* ACPI 5.0 */
374#define AML_RESOURCE_UART_MIN_DATA_LEN 10
375
376struct aml_resource_pin_function {
377 AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
378 u16 flags;
379 u8 pin_config;
380 u16 function_number;
381 u16 pin_table_offset;
382 u8 res_source_index;
383 u16 res_source_offset;
384 u16 vendor_offset;
385 u16 vendor_length;
386 /*
387 * Optional fields follow immediately:
388 * 1) PIN list (Words)
389 * 2) Resource Source String
390 * 3) Vendor Data bytes
391 */
392};
393
394#define AML_RESOURCE_PIN_FUNCTION_REVISION 1 /* ACPI 6.2 */
395
396struct aml_resource_pin_config {
397 AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
398 u16 flags;
399 u8 pin_config_type;
400 u32 pin_config_value;
401 u16 pin_table_offset;
402 u8 res_source_index;
403 u16 res_source_offset;
404 u16 vendor_offset;
405 u16 vendor_length;
406 /*
407 * Optional fields follow immediately:
408 * 1) PIN list (Words)
409 * 2) Resource Source String
410 * 3) Vendor Data bytes
411 */
412};
413
414#define AML_RESOURCE_PIN_CONFIG_REVISION 1 /* ACPI 6.2 */
415
416struct aml_resource_pin_group {
417 AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
418 u16 flags;
419 u16 pin_table_offset;
420 u16 label_offset;
421 u16 vendor_offset;
422 u16 vendor_length;
423 /*
424 * Optional fields follow immediately:
425 * 1) PIN list (Words)
426 * 2) Resource Label String
427 * 3) Vendor Data bytes
428 */
429};
430
431#define AML_RESOURCE_PIN_GROUP_REVISION 1 /* ACPI 6.2 */
432
433struct aml_resource_pin_group_function {
434 AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
435 u16 flags;
436 u16 function_number;
437 u8 res_source_index;
438 u16 res_source_offset;
439 u16 res_source_label_offset;
440 u16 vendor_offset;
441 u16 vendor_length;
442 /*
443 * Optional fields follow immediately:
444 * 1) Resource Source String
445 * 2) Resource Source Label String
446 * 3) Vendor Data bytes
447 */
448};
449
450#define AML_RESOURCE_PIN_GROUP_FUNCTION_REVISION 1 /* ACPI 6.2 */
451
452struct aml_resource_pin_group_config {
453 AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
454 u16 flags;
455 u8 pin_config_type;
456 u32 pin_config_value;
457 u8 res_source_index;
458 u16 res_source_offset;
459 u16 res_source_label_offset;
460 u16 vendor_offset;
461 u16 vendor_length;
462 /*
463 * Optional fields follow immediately:
464 * 1) Resource Source String
465 * 2) Resource Source Label String
466 * 3) Vendor Data bytes
467 */
468};
469
470#define AML_RESOURCE_PIN_GROUP_CONFIG_REVISION 1 /* ACPI 6.2 */
471
472/* restore default alignment */
473
474#pragma pack()
475
476/* Union of all resource descriptors, so we can allocate the worst case */
477
478union aml_resource {
479 /* Descriptor headers */
480
481 u8 descriptor_type;
482 struct aml_resource_small_header small_header;
483 struct aml_resource_large_header large_header;
484
485 /* Small resource descriptors */
486
487 struct aml_resource_irq irq;
488 struct aml_resource_dma dma;
489 struct aml_resource_start_dependent start_dpf;
490 struct aml_resource_end_dependent end_dpf;
491 struct aml_resource_io io;
492 struct aml_resource_fixed_io fixed_io;
493 struct aml_resource_fixed_dma fixed_dma;
494 struct aml_resource_vendor_small vendor_small;
495 struct aml_resource_end_tag end_tag;
496
497 /* Large resource descriptors */
498
499 struct aml_resource_memory24 memory24;
500 struct aml_resource_generic_register generic_reg;
501 struct aml_resource_vendor_large vendor_large;
502 struct aml_resource_memory32 memory32;
503 struct aml_resource_fixed_memory32 fixed_memory32;
504 struct aml_resource_address16 address16;
505 struct aml_resource_address32 address32;
506 struct aml_resource_address64 address64;
507 struct aml_resource_extended_address64 ext_address64;
508 struct aml_resource_extended_irq extended_irq;
509 struct aml_resource_gpio gpio;
510 struct aml_resource_i2c_serialbus i2c_serial_bus;
511 struct aml_resource_spi_serialbus spi_serial_bus;
512 struct aml_resource_uart_serialbus uart_serial_bus;
513 struct aml_resource_common_serialbus common_serial_bus;
514 struct aml_resource_pin_function pin_function;
515 struct aml_resource_pin_config pin_config;
516 struct aml_resource_pin_group pin_group;
517 struct aml_resource_pin_group_function pin_group_function;
518 struct aml_resource_pin_group_config pin_group_config;
519
520 /* Utility overlays */
521
522 struct aml_resource_address address;
523 u32 dword_item;
524 u16 word_item;
525 u8 byte_item;
526};
527
528/* Interfaces used by both the disassembler and compiler */
529
530void
531mp_save_gpio_info(union acpi_parse_object *op,
532 union aml_resource *resource,
533 u32 pin_count, u16 *pin_list, char *device_name);
534
535void
536mp_save_serial_info(union acpi_parse_object *op,
537 union aml_resource *resource, char *device_name);
538
539char *mp_get_hid_from_parse_tree(struct acpi_namespace_node *hid_node);
540
541char *mp_get_hid_via_namestring(char *device_name);
542
543char *mp_get_connection_info(union acpi_parse_object *op,
544 u32 pin_index,
545 struct acpi_namespace_node **target_node,
546 char **target_name);
547
548char *mp_get_parent_device_hid(union acpi_parse_object *op,
549 struct acpi_namespace_node **target_node,
550 char **parent_device_name);
551
552char *mp_get_ddn_value(char *device_name);
553
554char *mp_get_hid_value(struct acpi_namespace_node *device_node);
555
556#endif
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 - 2021, Intel Corp.
7 *
8 *****************************************************************************/
9
10/* acpisrc:struct_defs -- for acpisrc conversion */
11
12#ifndef __AMLRESRC_H
13#define __AMLRESRC_H
14
15/*
16 * Resource descriptor tags, as defined in the ACPI specification.
17 * Used to symbolically reference fields within a descriptor.
18 */
19#define ACPI_RESTAG_ADDRESS "_ADR"
20#define ACPI_RESTAG_ALIGNMENT "_ALN"
21#define ACPI_RESTAG_ADDRESSSPACE "_ASI"
22#define ACPI_RESTAG_ACCESSSIZE "_ASZ"
23#define ACPI_RESTAG_TYPESPECIFICATTRIBUTES "_ATT"
24#define ACPI_RESTAG_BASEADDRESS "_BAS"
25#define ACPI_RESTAG_BUSMASTER "_BM_" /* Master(1), Slave(0) */
26#define ACPI_RESTAG_DEBOUNCETIME "_DBT"
27#define ACPI_RESTAG_DECODE "_DEC"
28#define ACPI_RESTAG_DEVICEPOLARITY "_DPL"
29#define ACPI_RESTAG_DMA "_DMA"
30#define ACPI_RESTAG_DMATYPE "_TYP" /* Compatible(0), A(1), B(2), F(3) */
31#define ACPI_RESTAG_DRIVESTRENGTH "_DRS"
32#define ACPI_RESTAG_ENDIANNESS "_END"
33#define ACPI_RESTAG_FLOWCONTROL "_FLC"
34#define ACPI_RESTAG_FUNCTION "_FUN"
35#define ACPI_RESTAG_GRANULARITY "_GRA"
36#define ACPI_RESTAG_INTERRUPT "_INT"
37#define ACPI_RESTAG_INTERRUPTLEVEL "_LL_" /* active_lo(1), active_hi(0) */
38#define ACPI_RESTAG_INTERRUPTSHARE "_SHR" /* Shareable(1), no_share(0) */
39#define ACPI_RESTAG_INTERRUPTTYPE "_HE_" /* Edge(1), Level(0) */
40#define ACPI_RESTAG_IORESTRICTION "_IOR"
41#define ACPI_RESTAG_LENGTH "_LEN"
42#define ACPI_RESTAG_LINE "_LIN"
43#define ACPI_RESTAG_LOCALPORT "_PRT"
44#define ACPI_RESTAG_MEMATTRIBUTES "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */
45#define ACPI_RESTAG_MEMTYPE "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */
46#define ACPI_RESTAG_MAXADDR "_MAX"
47#define ACPI_RESTAG_MINADDR "_MIN"
48#define ACPI_RESTAG_MAXTYPE "_MAF"
49#define ACPI_RESTAG_MINTYPE "_MIF"
50#define ACPI_RESTAG_MODE "_MOD"
51#define ACPI_RESTAG_PARITY "_PAR"
52#define ACPI_RESTAG_PHASE "_PHA"
53#define ACPI_RESTAG_PHYTYPE "_PHY"
54#define ACPI_RESTAG_PIN "_PIN"
55#define ACPI_RESTAG_PINCONFIG "_PPI"
56#define ACPI_RESTAG_PINCONFIG_TYPE "_TYP"
57#define ACPI_RESTAG_PINCONFIG_VALUE "_VAL"
58#define ACPI_RESTAG_POLARITY "_POL"
59#define ACPI_RESTAG_REGISTERBITOFFSET "_RBO"
60#define ACPI_RESTAG_REGISTERBITWIDTH "_RBW"
61#define ACPI_RESTAG_RANGETYPE "_RNG"
62#define ACPI_RESTAG_READWRITETYPE "_RW_" /* read_only(0), Writeable (1) */
63#define ACPI_RESTAG_LENGTH_RX "_RXL"
64#define ACPI_RESTAG_LENGTH_TX "_TXL"
65#define ACPI_RESTAG_SLAVEMODE "_SLV"
66#define ACPI_RESTAG_SPEED "_SPE"
67#define ACPI_RESTAG_STOPBITS "_STB"
68#define ACPI_RESTAG_TRANSLATION "_TRA"
69#define ACPI_RESTAG_TRANSTYPE "_TRS" /* Sparse(1), Dense(0) */
70#define ACPI_RESTAG_TYPE "_TTP" /* Translation(1), Static (0) */
71#define ACPI_RESTAG_XFERTYPE "_SIZ" /* 8(0), 8And16(1), 16(2) */
72#define ACPI_RESTAG_VENDORDATA "_VEN"
73
74/* Default sizes for "small" resource descriptors */
75
76#define ASL_RDESC_IRQ_SIZE 0x02
77#define ASL_RDESC_DMA_SIZE 0x02
78#define ASL_RDESC_ST_DEPEND_SIZE 0x00
79#define ASL_RDESC_END_DEPEND_SIZE 0x00
80#define ASL_RDESC_IO_SIZE 0x07
81#define ASL_RDESC_FIXED_IO_SIZE 0x03
82#define ASL_RDESC_FIXED_DMA_SIZE 0x05
83#define ASL_RDESC_END_TAG_SIZE 0x01
84
85struct asl_resource_node {
86 u32 buffer_length;
87 void *buffer;
88 struct asl_resource_node *next;
89};
90
91struct asl_resource_info {
92 union acpi_parse_object *descriptor_type_op; /* Resource descriptor parse node */
93 union acpi_parse_object *mapping_op; /* Used for mapfile support */
94 u32 current_byte_offset; /* Offset in resource template */
95};
96
97/* Macros used to generate AML resource length fields */
98
99#define ACPI_AML_SIZE_LARGE(r) (sizeof (r) - sizeof (struct aml_resource_large_header))
100#define ACPI_AML_SIZE_SMALL(r) (sizeof (r) - sizeof (struct aml_resource_small_header))
101
102/*
103 * Resource descriptors defined in the ACPI specification.
104 *
105 * Packing/alignment must be BYTE because these descriptors
106 * are used to overlay the raw AML byte stream.
107 */
108#pragma pack(1)
109
110/*
111 * SMALL descriptors
112 */
113#define AML_RESOURCE_SMALL_HEADER_COMMON \
114 u8 descriptor_type;
115
116struct aml_resource_small_header {
117AML_RESOURCE_SMALL_HEADER_COMMON};
118
119struct aml_resource_irq {
120 AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
121 u8 flags;
122};
123
124struct aml_resource_irq_noflags {
125 AML_RESOURCE_SMALL_HEADER_COMMON u16 irq_mask;
126};
127
128struct aml_resource_dma {
129 AML_RESOURCE_SMALL_HEADER_COMMON u8 dma_channel_mask;
130 u8 flags;
131};
132
133struct aml_resource_start_dependent {
134 AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
135};
136
137struct aml_resource_start_dependent_noprio {
138AML_RESOURCE_SMALL_HEADER_COMMON};
139
140struct aml_resource_end_dependent {
141AML_RESOURCE_SMALL_HEADER_COMMON};
142
143struct aml_resource_io {
144 AML_RESOURCE_SMALL_HEADER_COMMON u8 flags;
145 u16 minimum;
146 u16 maximum;
147 u8 alignment;
148 u8 address_length;
149};
150
151struct aml_resource_fixed_io {
152 AML_RESOURCE_SMALL_HEADER_COMMON u16 address;
153 u8 address_length;
154};
155
156struct aml_resource_vendor_small {
157AML_RESOURCE_SMALL_HEADER_COMMON};
158
159struct aml_resource_end_tag {
160 AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum;
161};
162
163struct aml_resource_fixed_dma {
164 AML_RESOURCE_SMALL_HEADER_COMMON u16 request_lines;
165 u16 channels;
166 u8 width;
167};
168
169/*
170 * LARGE descriptors
171 */
172#define AML_RESOURCE_LARGE_HEADER_COMMON \
173 u8 descriptor_type;\
174 u16 resource_length;
175
176struct aml_resource_large_header {
177AML_RESOURCE_LARGE_HEADER_COMMON};
178
179/* General Flags for address space resource descriptors */
180
181#define ACPI_RESOURCE_FLAG_DEC 2
182#define ACPI_RESOURCE_FLAG_MIF 4
183#define ACPI_RESOURCE_FLAG_MAF 8
184
185struct aml_resource_memory24 {
186 AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
187 u16 minimum;
188 u16 maximum;
189 u16 alignment;
190 u16 address_length;
191};
192
193struct aml_resource_vendor_large {
194AML_RESOURCE_LARGE_HEADER_COMMON};
195
196struct aml_resource_memory32 {
197 AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
198 u32 minimum;
199 u32 maximum;
200 u32 alignment;
201 u32 address_length;
202};
203
204struct aml_resource_fixed_memory32 {
205 AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
206 u32 address;
207 u32 address_length;
208};
209
210#define AML_RESOURCE_ADDRESS_COMMON \
211 u8 resource_type; \
212 u8 flags; \
213 u8 specific_flags;
214
215struct aml_resource_address {
216AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_ADDRESS_COMMON};
217
218struct aml_resource_extended_address64 {
219 AML_RESOURCE_LARGE_HEADER_COMMON
220 AML_RESOURCE_ADDRESS_COMMON u8 revision_ID;
221 u8 reserved;
222 u64 granularity;
223 u64 minimum;
224 u64 maximum;
225 u64 translation_offset;
226 u64 address_length;
227 u64 type_specific;
228};
229
230#define AML_RESOURCE_EXTENDED_ADDRESS_REVISION 1 /* ACPI 3.0 */
231
232struct aml_resource_address64 {
233 AML_RESOURCE_LARGE_HEADER_COMMON
234 AML_RESOURCE_ADDRESS_COMMON u64 granularity;
235 u64 minimum;
236 u64 maximum;
237 u64 translation_offset;
238 u64 address_length;
239};
240
241struct aml_resource_address32 {
242 AML_RESOURCE_LARGE_HEADER_COMMON
243 AML_RESOURCE_ADDRESS_COMMON u32 granularity;
244 u32 minimum;
245 u32 maximum;
246 u32 translation_offset;
247 u32 address_length;
248};
249
250struct aml_resource_address16 {
251 AML_RESOURCE_LARGE_HEADER_COMMON
252 AML_RESOURCE_ADDRESS_COMMON u16 granularity;
253 u16 minimum;
254 u16 maximum;
255 u16 translation_offset;
256 u16 address_length;
257};
258
259struct aml_resource_extended_irq {
260 AML_RESOURCE_LARGE_HEADER_COMMON u8 flags;
261 u8 interrupt_count;
262 u32 interrupts[1];
263 /* res_source_index, res_source optional fields follow */
264};
265
266struct aml_resource_generic_register {
267 AML_RESOURCE_LARGE_HEADER_COMMON u8 address_space_id;
268 u8 bit_width;
269 u8 bit_offset;
270 u8 access_size; /* ACPI 3.0, was previously Reserved */
271 u64 address;
272};
273
274/* Common descriptor for gpio_int and gpio_io (ACPI 5.0) */
275
276struct aml_resource_gpio {
277 AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
278 u8 connection_type;
279 u16 flags;
280 u16 int_flags;
281 u8 pin_config;
282 u16 drive_strength;
283 u16 debounce_timeout;
284 u16 pin_table_offset;
285 u8 res_source_index;
286 u16 res_source_offset;
287 u16 vendor_offset;
288 u16 vendor_length;
289 /*
290 * Optional fields follow immediately:
291 * 1) PIN list (Words)
292 * 2) Resource Source String
293 * 3) Vendor Data bytes
294 */
295};
296
297#define AML_RESOURCE_GPIO_REVISION 1 /* ACPI 5.0 */
298
299/* Values for connection_type above */
300
301#define AML_RESOURCE_GPIO_TYPE_INT 0
302#define AML_RESOURCE_GPIO_TYPE_IO 1
303#define AML_RESOURCE_MAX_GPIOTYPE 1
304
305/* Common preamble for all serial descriptors (ACPI 5.0) */
306
307#define AML_RESOURCE_SERIAL_COMMON \
308 u8 revision_id; \
309 u8 res_source_index; \
310 u8 type; \
311 u8 flags; \
312 u16 type_specific_flags; \
313 u8 type_revision_id; \
314 u16 type_data_length; \
315
316/* Values for the type field above */
317
318#define AML_RESOURCE_I2C_SERIALBUSTYPE 1
319#define AML_RESOURCE_SPI_SERIALBUSTYPE 2
320#define AML_RESOURCE_UART_SERIALBUSTYPE 3
321#define AML_RESOURCE_CSI2_SERIALBUSTYPE 4
322#define AML_RESOURCE_MAX_SERIALBUSTYPE 4
323#define AML_RESOURCE_VENDOR_SERIALBUSTYPE 192 /* Vendor defined is 0xC0-0xFF (NOT SUPPORTED) */
324
325struct aml_resource_common_serialbus {
326AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON};
327
328struct aml_resource_csi2_serialbus {
329 AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON
330 /*
331 * Optional fields follow immediately:
332 * 1) Vendor Data bytes
333 * 2) Resource Source String
334 */
335};
336
337#define AML_RESOURCE_CSI2_REVISION 1 /* ACPI 6.4 */
338#define AML_RESOURCE_CSI2_TYPE_REVISION 1 /* ACPI 6.4 */
339#define AML_RESOURCE_CSI2_MIN_DATA_LEN 0 /* ACPI 6.4 */
340
341struct aml_resource_i2c_serialbus {
342 AML_RESOURCE_LARGE_HEADER_COMMON
343 AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
344 u16 slave_address;
345 /*
346 * Optional fields follow immediately:
347 * 1) Vendor Data bytes
348 * 2) Resource Source String
349 */
350};
351
352#define AML_RESOURCE_I2C_REVISION 1 /* ACPI 5.0 */
353#define AML_RESOURCE_I2C_TYPE_REVISION 1 /* ACPI 5.0 */
354#define AML_RESOURCE_I2C_MIN_DATA_LEN 6
355
356struct aml_resource_spi_serialbus {
357 AML_RESOURCE_LARGE_HEADER_COMMON
358 AML_RESOURCE_SERIAL_COMMON u32 connection_speed;
359 u8 data_bit_length;
360 u8 clock_phase;
361 u8 clock_polarity;
362 u16 device_selection;
363 /*
364 * Optional fields follow immediately:
365 * 1) Vendor Data bytes
366 * 2) Resource Source String
367 */
368};
369
370#define AML_RESOURCE_SPI_REVISION 1 /* ACPI 5.0 */
371#define AML_RESOURCE_SPI_TYPE_REVISION 1 /* ACPI 5.0 */
372#define AML_RESOURCE_SPI_MIN_DATA_LEN 9
373
374struct aml_resource_uart_serialbus {
375 AML_RESOURCE_LARGE_HEADER_COMMON
376 AML_RESOURCE_SERIAL_COMMON u32 default_baud_rate;
377 u16 rx_fifo_size;
378 u16 tx_fifo_size;
379 u8 parity;
380 u8 lines_enabled;
381 /*
382 * Optional fields follow immediately:
383 * 1) Vendor Data bytes
384 * 2) Resource Source String
385 */
386};
387
388#define AML_RESOURCE_UART_REVISION 1 /* ACPI 5.0 */
389#define AML_RESOURCE_UART_TYPE_REVISION 1 /* ACPI 5.0 */
390#define AML_RESOURCE_UART_MIN_DATA_LEN 10
391
392struct aml_resource_pin_function {
393 AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
394 u16 flags;
395 u8 pin_config;
396 u16 function_number;
397 u16 pin_table_offset;
398 u8 res_source_index;
399 u16 res_source_offset;
400 u16 vendor_offset;
401 u16 vendor_length;
402 /*
403 * Optional fields follow immediately:
404 * 1) PIN list (Words)
405 * 2) Resource Source String
406 * 3) Vendor Data bytes
407 */
408};
409
410#define AML_RESOURCE_PIN_FUNCTION_REVISION 1 /* ACPI 6.2 */
411
412struct aml_resource_pin_config {
413 AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
414 u16 flags;
415 u8 pin_config_type;
416 u32 pin_config_value;
417 u16 pin_table_offset;
418 u8 res_source_index;
419 u16 res_source_offset;
420 u16 vendor_offset;
421 u16 vendor_length;
422 /*
423 * Optional fields follow immediately:
424 * 1) PIN list (Words)
425 * 2) Resource Source String
426 * 3) Vendor Data bytes
427 */
428};
429
430#define AML_RESOURCE_PIN_CONFIG_REVISION 1 /* ACPI 6.2 */
431
432struct aml_resource_pin_group {
433 AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
434 u16 flags;
435 u16 pin_table_offset;
436 u16 label_offset;
437 u16 vendor_offset;
438 u16 vendor_length;
439 /*
440 * Optional fields follow immediately:
441 * 1) PIN list (Words)
442 * 2) Resource Label String
443 * 3) Vendor Data bytes
444 */
445};
446
447#define AML_RESOURCE_PIN_GROUP_REVISION 1 /* ACPI 6.2 */
448
449struct aml_resource_pin_group_function {
450 AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
451 u16 flags;
452 u16 function_number;
453 u8 res_source_index;
454 u16 res_source_offset;
455 u16 res_source_label_offset;
456 u16 vendor_offset;
457 u16 vendor_length;
458 /*
459 * Optional fields follow immediately:
460 * 1) Resource Source String
461 * 2) Resource Source Label String
462 * 3) Vendor Data bytes
463 */
464};
465
466#define AML_RESOURCE_PIN_GROUP_FUNCTION_REVISION 1 /* ACPI 6.2 */
467
468struct aml_resource_pin_group_config {
469 AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id;
470 u16 flags;
471 u8 pin_config_type;
472 u32 pin_config_value;
473 u8 res_source_index;
474 u16 res_source_offset;
475 u16 res_source_label_offset;
476 u16 vendor_offset;
477 u16 vendor_length;
478 /*
479 * Optional fields follow immediately:
480 * 1) Resource Source String
481 * 2) Resource Source Label String
482 * 3) Vendor Data bytes
483 */
484};
485
486#define AML_RESOURCE_PIN_GROUP_CONFIG_REVISION 1 /* ACPI 6.2 */
487
488/* restore default alignment */
489
490#pragma pack()
491
492/* Union of all resource descriptors, so we can allocate the worst case */
493
494union aml_resource {
495 /* Descriptor headers */
496
497 u8 descriptor_type;
498 struct aml_resource_small_header small_header;
499 struct aml_resource_large_header large_header;
500
501 /* Small resource descriptors */
502
503 struct aml_resource_irq irq;
504 struct aml_resource_dma dma;
505 struct aml_resource_start_dependent start_dpf;
506 struct aml_resource_end_dependent end_dpf;
507 struct aml_resource_io io;
508 struct aml_resource_fixed_io fixed_io;
509 struct aml_resource_fixed_dma fixed_dma;
510 struct aml_resource_vendor_small vendor_small;
511 struct aml_resource_end_tag end_tag;
512
513 /* Large resource descriptors */
514
515 struct aml_resource_memory24 memory24;
516 struct aml_resource_generic_register generic_reg;
517 struct aml_resource_vendor_large vendor_large;
518 struct aml_resource_memory32 memory32;
519 struct aml_resource_fixed_memory32 fixed_memory32;
520 struct aml_resource_address16 address16;
521 struct aml_resource_address32 address32;
522 struct aml_resource_address64 address64;
523 struct aml_resource_extended_address64 ext_address64;
524 struct aml_resource_extended_irq extended_irq;
525 struct aml_resource_gpio gpio;
526 struct aml_resource_i2c_serialbus i2c_serial_bus;
527 struct aml_resource_spi_serialbus spi_serial_bus;
528 struct aml_resource_uart_serialbus uart_serial_bus;
529 struct aml_resource_csi2_serialbus csi2_serial_bus;
530 struct aml_resource_common_serialbus common_serial_bus;
531 struct aml_resource_pin_function pin_function;
532 struct aml_resource_pin_config pin_config;
533 struct aml_resource_pin_group pin_group;
534 struct aml_resource_pin_group_function pin_group_function;
535 struct aml_resource_pin_group_config pin_group_config;
536
537 /* Utility overlays */
538
539 struct aml_resource_address address;
540 u32 dword_item;
541 u16 word_item;
542 u8 byte_item;
543};
544
545/* Interfaces used by both the disassembler and compiler */
546
547void
548mp_save_gpio_info(union acpi_parse_object *op,
549 union aml_resource *resource,
550 u32 pin_count, u16 *pin_list, char *device_name);
551
552void
553mp_save_serial_info(union acpi_parse_object *op,
554 union aml_resource *resource, char *device_name);
555
556char *mp_get_hid_from_parse_tree(struct acpi_namespace_node *hid_node);
557
558char *mp_get_hid_via_namestring(char *device_name);
559
560char *mp_get_connection_info(union acpi_parse_object *op,
561 u32 pin_index,
562 struct acpi_namespace_node **target_node,
563 char **target_name);
564
565char *mp_get_parent_device_hid(union acpi_parse_object *op,
566 struct acpi_namespace_node **target_node,
567 char **parent_device_name);
568
569char *mp_get_ddn_value(char *device_name);
570
571char *mp_get_hid_value(struct acpi_namespace_node *device_node);
572
573#endif