xref: /openbmc/linux/drivers/acpi/acpica/acresrc.h (revision ddc141e5)
1 /******************************************************************************
2  *
3  * Name: acresrc.h - Resource Manager function prototypes
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2018, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #ifndef __ACRESRC_H__
45 #define __ACRESRC_H__
46 
47 /* Need the AML resource descriptor structs */
48 
49 #include "amlresrc.h"
50 
51 /*
52  * If possible, pack the following structures to byte alignment, since we
53  * don't care about performance for debug output. Two cases where we cannot
54  * pack the structures:
55  *
56  * 1) Hardware does not support misaligned memory transfers
57  * 2) Compiler does not support pointers within packed structures
58  */
59 #if (!defined(ACPI_MISALIGNMENT_NOT_SUPPORTED) && !defined(ACPI_PACKED_POINTERS_NOT_SUPPORTED))
60 #pragma pack(1)
61 #endif
62 
63 /*
64  * Individual entry for the resource conversion tables
65  */
66 typedef const struct acpi_rsconvert_info {
67 	u8 opcode;
68 	u8 resource_offset;
69 	u8 aml_offset;
70 	u8 value;
71 
72 } acpi_rsconvert_info;
73 
74 /* Resource conversion opcodes */
75 
76 typedef enum {
77 	ACPI_RSC_INITGET = 0,
78 	ACPI_RSC_INITSET,
79 	ACPI_RSC_FLAGINIT,
80 	ACPI_RSC_1BITFLAG,
81 	ACPI_RSC_2BITFLAG,
82 	ACPI_RSC_3BITFLAG,
83 	ACPI_RSC_ADDRESS,
84 	ACPI_RSC_BITMASK,
85 	ACPI_RSC_BITMASK16,
86 	ACPI_RSC_COUNT,
87 	ACPI_RSC_COUNT16,
88 	ACPI_RSC_COUNT_GPIO_PIN,
89 	ACPI_RSC_COUNT_GPIO_RES,
90 	ACPI_RSC_COUNT_GPIO_VEN,
91 	ACPI_RSC_COUNT_SERIAL_RES,
92 	ACPI_RSC_COUNT_SERIAL_VEN,
93 	ACPI_RSC_DATA8,
94 	ACPI_RSC_EXIT_EQ,
95 	ACPI_RSC_EXIT_LE,
96 	ACPI_RSC_EXIT_NE,
97 	ACPI_RSC_LENGTH,
98 	ACPI_RSC_MOVE_GPIO_PIN,
99 	ACPI_RSC_MOVE_GPIO_RES,
100 	ACPI_RSC_MOVE_SERIAL_RES,
101 	ACPI_RSC_MOVE_SERIAL_VEN,
102 	ACPI_RSC_MOVE8,
103 	ACPI_RSC_MOVE16,
104 	ACPI_RSC_MOVE32,
105 	ACPI_RSC_MOVE64,
106 	ACPI_RSC_SET8,
107 	ACPI_RSC_SOURCE,
108 	ACPI_RSC_SOURCEX
109 } ACPI_RSCONVERT_OPCODES;
110 
111 /* Resource Conversion sub-opcodes */
112 
113 #define ACPI_RSC_COMPARE_AML_LENGTH     0
114 #define ACPI_RSC_COMPARE_VALUE          1
115 
116 #define ACPI_RSC_TABLE_SIZE(d)          (sizeof (d) / sizeof (struct acpi_rsconvert_info))
117 
118 #define ACPI_RS_OFFSET(f)               (u8) ACPI_OFFSET (struct acpi_resource,f)
119 #define AML_OFFSET(f)                   (u8) ACPI_OFFSET (union aml_resource,f)
120 
121 /*
122  * Individual entry for the resource dump tables
123  */
124 typedef const struct acpi_rsdump_info {
125 	u8 opcode;
126 	u8 offset;
127 	const char *name;
128 	const char **pointer;
129 
130 } acpi_rsdump_info;
131 
132 /* Values for the Opcode field above */
133 
134 typedef enum {
135 	ACPI_RSD_TITLE = 0,
136 	ACPI_RSD_1BITFLAG,
137 	ACPI_RSD_2BITFLAG,
138 	ACPI_RSD_3BITFLAG,
139 	ACPI_RSD_ADDRESS,
140 	ACPI_RSD_DWORDLIST,
141 	ACPI_RSD_LITERAL,
142 	ACPI_RSD_LONGLIST,
143 	ACPI_RSD_SHORTLIST,
144 	ACPI_RSD_SHORTLISTX,
145 	ACPI_RSD_SOURCE,
146 	ACPI_RSD_STRING,
147 	ACPI_RSD_UINT8,
148 	ACPI_RSD_UINT16,
149 	ACPI_RSD_UINT32,
150 	ACPI_RSD_UINT64,
151 	ACPI_RSD_WORDLIST,
152 	ACPI_RSD_LABEL,
153 	ACPI_RSD_SOURCE_LABEL,
154 
155 } ACPI_RSDUMP_OPCODES;
156 
157 /* restore default alignment */
158 
159 #pragma pack()
160 
161 /* Resource tables indexed by internal resource type */
162 
163 extern const u8 acpi_gbl_aml_resource_sizes[];
164 extern const u8 acpi_gbl_aml_resource_serial_bus_sizes[];
165 extern struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[];
166 
167 /* Resource tables indexed by raw AML resource descriptor type */
168 
169 extern const u8 acpi_gbl_resource_struct_sizes[];
170 extern const u8 acpi_gbl_resource_struct_serial_bus_sizes[];
171 extern struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[];
172 
173 extern struct acpi_rsconvert_info
174     *acpi_gbl_convert_resource_serial_bus_dispatch[];
175 
176 struct acpi_vendor_walk_info {
177 	struct acpi_vendor_uuid *uuid;
178 	struct acpi_buffer *buffer;
179 	acpi_status status;
180 };
181 
182 /*
183  * rscreate
184  */
185 acpi_status
186 acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
187 			     struct acpi_buffer *output_buffer);
188 
189 acpi_status
190 acpi_rs_create_aml_resources(struct acpi_buffer *resource_list,
191 			     struct acpi_buffer *output_buffer);
192 
193 acpi_status
194 acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
195 				 struct acpi_buffer *output_buffer);
196 
197 /*
198  * rsutils
199  */
200 
201 acpi_status
202 acpi_rs_get_prt_method_data(struct acpi_namespace_node *node,
203 			    struct acpi_buffer *ret_buffer);
204 
205 acpi_status
206 acpi_rs_get_crs_method_data(struct acpi_namespace_node *node,
207 			    struct acpi_buffer *ret_buffer);
208 
209 acpi_status
210 acpi_rs_get_prs_method_data(struct acpi_namespace_node *node,
211 			    struct acpi_buffer *ret_buffer);
212 
213 acpi_status
214 acpi_rs_get_method_data(acpi_handle handle,
215 			const char *path, struct acpi_buffer *ret_buffer);
216 
217 acpi_status
218 acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
219 			    struct acpi_buffer *ret_buffer);
220 
221 acpi_status
222 acpi_rs_get_aei_method_data(struct acpi_namespace_node *node,
223 			    struct acpi_buffer *ret_buffer);
224 
225 /*
226  * rscalc
227  */
228 acpi_status
229 acpi_rs_get_list_length(u8 *aml_buffer,
230 			u32 aml_buffer_length, acpi_size *size_needed);
231 
232 acpi_status
233 acpi_rs_get_aml_length(struct acpi_resource *resource_list,
234 		       acpi_size resource_list_size, acpi_size *size_needed);
235 
236 acpi_status
237 acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
238 				     acpi_size *buffer_size_needed);
239 
240 acpi_status
241 acpi_rs_convert_aml_to_resources(u8 * aml,
242 				 u32 length,
243 				 u32 offset, u8 resource_index, void **context);
244 
245 acpi_status
246 acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
247 				 acpi_size aml_size_needed, u8 * output_buffer);
248 
249 /*
250  * rsaddr
251  */
252 void
253 acpi_rs_set_address_common(union aml_resource *aml,
254 			   struct acpi_resource *resource);
255 
256 u8
257 acpi_rs_get_address_common(struct acpi_resource *resource,
258 			   union aml_resource *aml);
259 
260 /*
261  * rsmisc
262  */
263 acpi_status
264 acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
265 				union aml_resource *aml,
266 				struct acpi_rsconvert_info *info);
267 
268 acpi_status
269 acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
270 				union aml_resource *aml,
271 				struct acpi_rsconvert_info *info);
272 
273 /*
274  * rsutils
275  */
276 void
277 acpi_rs_move_data(void *destination,
278 		  void *source, u16 item_count, u8 move_type);
279 
280 u8 acpi_rs_decode_bitmask(u16 mask, u8 * list);
281 
282 u16 acpi_rs_encode_bitmask(u8 * list, u8 count);
283 
284 acpi_rs_length
285 acpi_rs_get_resource_source(acpi_rs_length resource_length,
286 			    acpi_rs_length minimum_length,
287 			    struct acpi_resource_source *resource_source,
288 			    union aml_resource *aml, char *string_ptr);
289 
290 acpi_rsdesc_size
291 acpi_rs_set_resource_source(union aml_resource *aml,
292 			    acpi_rs_length minimum_length,
293 			    struct acpi_resource_source *resource_source);
294 
295 void
296 acpi_rs_set_resource_header(u8 descriptor_type,
297 			    acpi_rsdesc_size total_length,
298 			    union aml_resource *aml);
299 
300 void
301 acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
302 			    union aml_resource *aml);
303 
304 /*
305  * rsdump - Debugger support
306  */
307 #ifdef ACPI_DEBUGGER
308 void acpi_rs_dump_resource_list(struct acpi_resource *resource);
309 
310 void acpi_rs_dump_irq_list(u8 *route_table);
311 #endif
312 
313 /*
314  * Resource conversion tables
315  */
316 extern struct acpi_rsconvert_info acpi_rs_convert_dma[];
317 extern struct acpi_rsconvert_info acpi_rs_convert_end_dpf[];
318 extern struct acpi_rsconvert_info acpi_rs_convert_io[];
319 extern struct acpi_rsconvert_info acpi_rs_convert_fixed_io[];
320 extern struct acpi_rsconvert_info acpi_rs_convert_end_tag[];
321 extern struct acpi_rsconvert_info acpi_rs_convert_memory24[];
322 extern struct acpi_rsconvert_info acpi_rs_convert_generic_reg[];
323 extern struct acpi_rsconvert_info acpi_rs_convert_memory32[];
324 extern struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[];
325 extern struct acpi_rsconvert_info acpi_rs_convert_address32[];
326 extern struct acpi_rsconvert_info acpi_rs_convert_address16[];
327 extern struct acpi_rsconvert_info acpi_rs_convert_ext_irq[];
328 extern struct acpi_rsconvert_info acpi_rs_convert_address64[];
329 extern struct acpi_rsconvert_info acpi_rs_convert_ext_address64[];
330 extern struct acpi_rsconvert_info acpi_rs_convert_gpio[];
331 extern struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[];
332 extern struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[];
333 extern struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[];
334 extern struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[];
335 extern struct acpi_rsconvert_info acpi_rs_convert_pin_function[];
336 extern struct acpi_rsconvert_info acpi_rs_convert_pin_config[];
337 extern struct acpi_rsconvert_info acpi_rs_convert_pin_group[];
338 extern struct acpi_rsconvert_info acpi_rs_convert_pin_group_function[];
339 extern struct acpi_rsconvert_info acpi_rs_convert_pin_group_config[];
340 
341 /* These resources require separate get/set tables */
342 
343 extern struct acpi_rsconvert_info acpi_rs_get_irq[];
344 extern struct acpi_rsconvert_info acpi_rs_get_start_dpf[];
345 extern struct acpi_rsconvert_info acpi_rs_get_vendor_small[];
346 extern struct acpi_rsconvert_info acpi_rs_get_vendor_large[];
347 
348 extern struct acpi_rsconvert_info acpi_rs_set_irq[];
349 extern struct acpi_rsconvert_info acpi_rs_set_start_dpf[];
350 extern struct acpi_rsconvert_info acpi_rs_set_vendor[];
351 
352 #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
353 /*
354  * rsinfo
355  */
356 extern struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[];
357 extern struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[];
358 
359 /*
360  * rsdumpinfo
361  */
362 extern struct acpi_rsdump_info acpi_rs_dump_irq[];
363 extern struct acpi_rsdump_info acpi_rs_dump_prt[];
364 extern struct acpi_rsdump_info acpi_rs_dump_dma[];
365 extern struct acpi_rsdump_info acpi_rs_dump_start_dpf[];
366 extern struct acpi_rsdump_info acpi_rs_dump_end_dpf[];
367 extern struct acpi_rsdump_info acpi_rs_dump_io[];
368 extern struct acpi_rsdump_info acpi_rs_dump_io_flags[];
369 extern struct acpi_rsdump_info acpi_rs_dump_fixed_io[];
370 extern struct acpi_rsdump_info acpi_rs_dump_vendor[];
371 extern struct acpi_rsdump_info acpi_rs_dump_end_tag[];
372 extern struct acpi_rsdump_info acpi_rs_dump_memory24[];
373 extern struct acpi_rsdump_info acpi_rs_dump_memory32[];
374 extern struct acpi_rsdump_info acpi_rs_dump_memory_flags[];
375 extern struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[];
376 extern struct acpi_rsdump_info acpi_rs_dump_address16[];
377 extern struct acpi_rsdump_info acpi_rs_dump_address32[];
378 extern struct acpi_rsdump_info acpi_rs_dump_address64[];
379 extern struct acpi_rsdump_info acpi_rs_dump_ext_address64[];
380 extern struct acpi_rsdump_info acpi_rs_dump_ext_irq[];
381 extern struct acpi_rsdump_info acpi_rs_dump_generic_reg[];
382 extern struct acpi_rsdump_info acpi_rs_dump_gpio[];
383 extern struct acpi_rsdump_info acpi_rs_dump_pin_function[];
384 extern struct acpi_rsdump_info acpi_rs_dump_fixed_dma[];
385 extern struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[];
386 extern struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[];
387 extern struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[];
388 extern struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[];
389 extern struct acpi_rsdump_info acpi_rs_dump_general_flags[];
390 extern struct acpi_rsdump_info acpi_rs_dump_pin_config[];
391 extern struct acpi_rsdump_info acpi_rs_dump_pin_group[];
392 extern struct acpi_rsdump_info acpi_rs_dump_pin_group_function[];
393 extern struct acpi_rsdump_info acpi_rs_dump_pin_group_config[];
394 #endif
395 
396 #endif				/* __ACRESRC_H__ */
397