xref: /openbmc/linux/drivers/acpi/acpica/acresrc.h (revision 2985bed6)
1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /******************************************************************************
3  *
4  * Name: acresrc.h - Resource Manager function prototypes
5  *
6  * Copyright (C) 2000 - 2020, Intel Corp.
7  *
8  *****************************************************************************/
9 
10 #ifndef __ACRESRC_H__
11 #define __ACRESRC_H__
12 
13 /* Need the AML resource descriptor structs */
14 
15 #include "amlresrc.h"
16 
17 /*
18  * If possible, pack the following structures to byte alignment, since we
19  * don't care about performance for debug output. Two cases where we cannot
20  * pack the structures:
21  *
22  * 1) Hardware does not support misaligned memory transfers
23  * 2) Compiler does not support pointers within packed structures
24  */
25 #if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
26 #pragma pack(1)
27 #endif
28 
29 /*
30  * Individual entry for the resource conversion tables
31  */
32 typedef const struct acpi_rsconvert_info {
33 	u8 opcode;
34 	u8 resource_offset;
35 	u8 aml_offset;
36 	u8 value;
37 
38 } acpi_rsconvert_info;
39 
40 /* Resource conversion opcodes */
41 
42 typedef enum {
43 	ACPI_RSC_INITGET = 0,
44 	ACPI_RSC_INITSET,
45 	ACPI_RSC_FLAGINIT,
46 	ACPI_RSC_1BITFLAG,
47 	ACPI_RSC_2BITFLAG,
48 	ACPI_RSC_3BITFLAG,
49 	ACPI_RSC_ADDRESS,
50 	ACPI_RSC_BITMASK,
51 	ACPI_RSC_BITMASK16,
52 	ACPI_RSC_COUNT,
53 	ACPI_RSC_COUNT16,
54 	ACPI_RSC_COUNT_GPIO_PIN,
55 	ACPI_RSC_COUNT_GPIO_RES,
56 	ACPI_RSC_COUNT_GPIO_VEN,
57 	ACPI_RSC_COUNT_SERIAL_RES,
58 	ACPI_RSC_COUNT_SERIAL_VEN,
59 	ACPI_RSC_DATA8,
60 	ACPI_RSC_EXIT_EQ,
61 	ACPI_RSC_EXIT_LE,
62 	ACPI_RSC_EXIT_NE,
63 	ACPI_RSC_LENGTH,
64 	ACPI_RSC_MOVE_GPIO_PIN,
65 	ACPI_RSC_MOVE_GPIO_RES,
66 	ACPI_RSC_MOVE_SERIAL_RES,
67 	ACPI_RSC_MOVE_SERIAL_VEN,
68 	ACPI_RSC_MOVE8,
69 	ACPI_RSC_MOVE16,
70 	ACPI_RSC_MOVE32,
71 	ACPI_RSC_MOVE64,
72 	ACPI_RSC_SET8,
73 	ACPI_RSC_SOURCE,
74 	ACPI_RSC_SOURCEX
75 } ACPI_RSCONVERT_OPCODES;
76 
77 /* Resource Conversion sub-opcodes */
78 
79 #define ACPI_RSC_COMPARE_AML_LENGTH     0
80 #define ACPI_RSC_COMPARE_VALUE          1
81 
82 #define ACPI_RSC_TABLE_SIZE(d)          (sizeof (d) / sizeof (struct acpi_rsconvert_info))
83 
84 #define ACPI_RS_OFFSET(f)               (u8) ACPI_OFFSET (struct acpi_resource,f)
85 #define AML_OFFSET(f)                   (u8) ACPI_OFFSET (union aml_resource,f)
86 
87 /*
88  * Individual entry for the resource dump tables
89  */
90 typedef const struct acpi_rsdump_info {
91 	u8 opcode;
92 	u8 offset;
93 	const char *name;
94 	const char **pointer;
95 
96 } acpi_rsdump_info;
97 
98 /* Values for the Opcode field above */
99 
100 typedef enum {
101 	ACPI_RSD_TITLE = 0,
102 	ACPI_RSD_1BITFLAG,
103 	ACPI_RSD_2BITFLAG,
104 	ACPI_RSD_3BITFLAG,
105 	ACPI_RSD_ADDRESS,
106 	ACPI_RSD_DWORDLIST,
107 	ACPI_RSD_LITERAL,
108 	ACPI_RSD_LONGLIST,
109 	ACPI_RSD_SHORTLIST,
110 	ACPI_RSD_SHORTLISTX,
111 	ACPI_RSD_SOURCE,
112 	ACPI_RSD_STRING,
113 	ACPI_RSD_UINT8,
114 	ACPI_RSD_UINT16,
115 	ACPI_RSD_UINT32,
116 	ACPI_RSD_UINT64,
117 	ACPI_RSD_WORDLIST,
118 	ACPI_RSD_LABEL,
119 	ACPI_RSD_SOURCE_LABEL,
120 
121 } ACPI_RSDUMP_OPCODES;
122 
123 /* restore default alignment */
124 
125 #pragma pack()
126 
127 /* Resource tables indexed by internal resource type */
128 
129 extern const u8 acpi_gbl_aml_resource_sizes[];
130 extern const u8 acpi_gbl_aml_resource_serial_bus_sizes[];
131 extern struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[];
132 
133 /* Resource tables indexed by raw AML resource descriptor type */
134 
135 extern const u8 acpi_gbl_resource_struct_sizes[];
136 extern const u8 acpi_gbl_resource_struct_serial_bus_sizes[];
137 extern struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[];
138 
139 extern struct acpi_rsconvert_info
140     *acpi_gbl_convert_resource_serial_bus_dispatch[];
141 
142 struct acpi_vendor_walk_info {
143 	struct acpi_vendor_uuid *uuid;
144 	struct acpi_buffer *buffer;
145 	acpi_status status;
146 };
147 
148 /*
149  * rscreate
150  */
151 acpi_status
152 acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
153 			     struct acpi_buffer *output_buffer);
154 
155 acpi_status
156 acpi_rs_create_aml_resources(struct acpi_buffer *resource_list,
157 			     struct acpi_buffer *output_buffer);
158 
159 acpi_status
160 acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
161 				 struct acpi_buffer *output_buffer);
162 
163 /*
164  * rsutils
165  */
166 
167 acpi_status
168 acpi_rs_get_prt_method_data(struct acpi_namespace_node *node,
169 			    struct acpi_buffer *ret_buffer);
170 
171 acpi_status
172 acpi_rs_get_crs_method_data(struct acpi_namespace_node *node,
173 			    struct acpi_buffer *ret_buffer);
174 
175 acpi_status
176 acpi_rs_get_prs_method_data(struct acpi_namespace_node *node,
177 			    struct acpi_buffer *ret_buffer);
178 
179 acpi_status
180 acpi_rs_get_method_data(acpi_handle handle,
181 			const char *path, struct acpi_buffer *ret_buffer);
182 
183 acpi_status
184 acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
185 			    struct acpi_buffer *ret_buffer);
186 
187 acpi_status
188 acpi_rs_get_aei_method_data(struct acpi_namespace_node *node,
189 			    struct acpi_buffer *ret_buffer);
190 
191 /*
192  * rscalc
193  */
194 acpi_status
195 acpi_rs_get_list_length(u8 *aml_buffer,
196 			u32 aml_buffer_length, acpi_size *size_needed);
197 
198 acpi_status
199 acpi_rs_get_aml_length(struct acpi_resource *resource_list,
200 		       acpi_size resource_list_size, acpi_size *size_needed);
201 
202 acpi_status
203 acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
204 				     acpi_size *buffer_size_needed);
205 
206 acpi_status
207 acpi_rs_convert_aml_to_resources(u8 * aml,
208 				 u32 length,
209 				 u32 offset, u8 resource_index, void **context);
210 
211 acpi_status
212 acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
213 				 acpi_size aml_size_needed, u8 * output_buffer);
214 
215 /*
216  * rsaddr
217  */
218 void
219 acpi_rs_set_address_common(union aml_resource *aml,
220 			   struct acpi_resource *resource);
221 
222 u8
223 acpi_rs_get_address_common(struct acpi_resource *resource,
224 			   union aml_resource *aml);
225 
226 /*
227  * rsmisc
228  */
229 acpi_status
230 acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
231 				union aml_resource *aml,
232 				struct acpi_rsconvert_info *info);
233 
234 acpi_status
235 acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
236 				union aml_resource *aml,
237 				struct acpi_rsconvert_info *info);
238 
239 /*
240  * rsutils
241  */
242 void
243 acpi_rs_move_data(void *destination,
244 		  void *source, u16 item_count, u8 move_type);
245 
246 u8 acpi_rs_decode_bitmask(u16 mask, u8 * list);
247 
248 u16 acpi_rs_encode_bitmask(u8 * list, u8 count);
249 
250 acpi_rs_length
251 acpi_rs_get_resource_source(acpi_rs_length resource_length,
252 			    acpi_rs_length minimum_length,
253 			    struct acpi_resource_source *resource_source,
254 			    union aml_resource *aml, char *string_ptr);
255 
256 acpi_rsdesc_size
257 acpi_rs_set_resource_source(union aml_resource *aml,
258 			    acpi_rs_length minimum_length,
259 			    struct acpi_resource_source *resource_source);
260 
261 void
262 acpi_rs_set_resource_header(u8 descriptor_type,
263 			    acpi_rsdesc_size total_length,
264 			    union aml_resource *aml);
265 
266 void
267 acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
268 			    union aml_resource *aml);
269 
270 /*
271  * rsdump - Debugger support
272  */
273 #ifdef ACPI_DEBUGGER
274 void acpi_rs_dump_resource_list(struct acpi_resource *resource);
275 
276 void acpi_rs_dump_irq_list(u8 *route_table);
277 #endif
278 
279 /*
280  * Resource conversion tables
281  */
282 extern struct acpi_rsconvert_info acpi_rs_convert_dma[];
283 extern struct acpi_rsconvert_info acpi_rs_convert_end_dpf[];
284 extern struct acpi_rsconvert_info acpi_rs_convert_io[];
285 extern struct acpi_rsconvert_info acpi_rs_convert_fixed_io[];
286 extern struct acpi_rsconvert_info acpi_rs_convert_end_tag[];
287 extern struct acpi_rsconvert_info acpi_rs_convert_memory24[];
288 extern struct acpi_rsconvert_info acpi_rs_convert_generic_reg[];
289 extern struct acpi_rsconvert_info acpi_rs_convert_memory32[];
290 extern struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[];
291 extern struct acpi_rsconvert_info acpi_rs_convert_address32[];
292 extern struct acpi_rsconvert_info acpi_rs_convert_address16[];
293 extern struct acpi_rsconvert_info acpi_rs_convert_ext_irq[];
294 extern struct acpi_rsconvert_info acpi_rs_convert_address64[];
295 extern struct acpi_rsconvert_info acpi_rs_convert_ext_address64[];
296 extern struct acpi_rsconvert_info acpi_rs_convert_gpio[];
297 extern struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[];
298 extern struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[];
299 extern struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[];
300 extern struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[];
301 extern struct acpi_rsconvert_info acpi_rs_convert_pin_function[];
302 extern struct acpi_rsconvert_info acpi_rs_convert_pin_config[];
303 extern struct acpi_rsconvert_info acpi_rs_convert_pin_group[];
304 extern struct acpi_rsconvert_info acpi_rs_convert_pin_group_function[];
305 extern struct acpi_rsconvert_info acpi_rs_convert_pin_group_config[];
306 
307 /* These resources require separate get/set tables */
308 
309 extern struct acpi_rsconvert_info acpi_rs_get_irq[];
310 extern struct acpi_rsconvert_info acpi_rs_get_start_dpf[];
311 extern struct acpi_rsconvert_info acpi_rs_get_vendor_small[];
312 extern struct acpi_rsconvert_info acpi_rs_get_vendor_large[];
313 
314 extern struct acpi_rsconvert_info acpi_rs_set_irq[];
315 extern struct acpi_rsconvert_info acpi_rs_set_start_dpf[];
316 extern struct acpi_rsconvert_info acpi_rs_set_vendor[];
317 
318 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
319 /*
320  * rsinfo
321  */
322 extern struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[];
323 extern struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[];
324 
325 /*
326  * rsdumpinfo
327  */
328 extern struct acpi_rsdump_info acpi_rs_dump_irq[];
329 extern struct acpi_rsdump_info acpi_rs_dump_prt[];
330 extern struct acpi_rsdump_info acpi_rs_dump_dma[];
331 extern struct acpi_rsdump_info acpi_rs_dump_start_dpf[];
332 extern struct acpi_rsdump_info acpi_rs_dump_end_dpf[];
333 extern struct acpi_rsdump_info acpi_rs_dump_io[];
334 extern struct acpi_rsdump_info acpi_rs_dump_io_flags[];
335 extern struct acpi_rsdump_info acpi_rs_dump_fixed_io[];
336 extern struct acpi_rsdump_info acpi_rs_dump_vendor[];
337 extern struct acpi_rsdump_info acpi_rs_dump_end_tag[];
338 extern struct acpi_rsdump_info acpi_rs_dump_memory24[];
339 extern struct acpi_rsdump_info acpi_rs_dump_memory32[];
340 extern struct acpi_rsdump_info acpi_rs_dump_memory_flags[];
341 extern struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[];
342 extern struct acpi_rsdump_info acpi_rs_dump_address16[];
343 extern struct acpi_rsdump_info acpi_rs_dump_address32[];
344 extern struct acpi_rsdump_info acpi_rs_dump_address64[];
345 extern struct acpi_rsdump_info acpi_rs_dump_ext_address64[];
346 extern struct acpi_rsdump_info acpi_rs_dump_ext_irq[];
347 extern struct acpi_rsdump_info acpi_rs_dump_generic_reg[];
348 extern struct acpi_rsdump_info acpi_rs_dump_gpio[];
349 extern struct acpi_rsdump_info acpi_rs_dump_pin_function[];
350 extern struct acpi_rsdump_info acpi_rs_dump_fixed_dma[];
351 extern struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[];
352 extern struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[];
353 extern struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[];
354 extern struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[];
355 extern struct acpi_rsdump_info acpi_rs_dump_general_flags[];
356 extern struct acpi_rsdump_info acpi_rs_dump_pin_config[];
357 extern struct acpi_rsdump_info acpi_rs_dump_pin_group[];
358 extern struct acpi_rsdump_info acpi_rs_dump_pin_group_function[];
359 extern struct acpi_rsdump_info acpi_rs_dump_pin_group_config[];
360 #endif
361 
362 #endif				/* __ACRESRC_H__ */
363