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 - 2023, 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_6BITFLAG,
50  	ACPI_RSC_ADDRESS,
51  	ACPI_RSC_BITMASK,
52  	ACPI_RSC_BITMASK16,
53  	ACPI_RSC_COUNT,
54  	ACPI_RSC_COUNT16,
55  	ACPI_RSC_COUNT_GPIO_PIN,
56  	ACPI_RSC_COUNT_GPIO_RES,
57  	ACPI_RSC_COUNT_GPIO_VEN,
58  	ACPI_RSC_COUNT_SERIAL_RES,
59  	ACPI_RSC_COUNT_SERIAL_VEN,
60  	ACPI_RSC_DATA8,
61  	ACPI_RSC_EXIT_EQ,
62  	ACPI_RSC_EXIT_LE,
63  	ACPI_RSC_EXIT_NE,
64  	ACPI_RSC_LENGTH,
65  	ACPI_RSC_MOVE_GPIO_PIN,
66  	ACPI_RSC_MOVE_GPIO_RES,
67  	ACPI_RSC_MOVE_SERIAL_RES,
68  	ACPI_RSC_MOVE_SERIAL_VEN,
69  	ACPI_RSC_MOVE8,
70  	ACPI_RSC_MOVE16,
71  	ACPI_RSC_MOVE32,
72  	ACPI_RSC_MOVE64,
73  	ACPI_RSC_SET8,
74  	ACPI_RSC_SOURCE,
75  	ACPI_RSC_SOURCEX
76  } ACPI_RSCONVERT_OPCODES;
77  
78  /* Resource Conversion sub-opcodes */
79  
80  #define ACPI_RSC_COMPARE_AML_LENGTH     0
81  #define ACPI_RSC_COMPARE_VALUE          1
82  
83  #define ACPI_RSC_TABLE_SIZE(d)          (sizeof (d) / sizeof (struct acpi_rsconvert_info))
84  
85  #define ACPI_RS_OFFSET(f)               (u8) ACPI_OFFSET (struct acpi_resource,f)
86  #define AML_OFFSET(f)                   (u8) ACPI_OFFSET (union aml_resource,f)
87  
88  /*
89   * Individual entry for the resource dump tables
90   */
91  typedef const struct acpi_rsdump_info {
92  	u8 opcode;
93  	u8 offset;
94  	const char *name;
95  	const char **pointer;
96  
97  } acpi_rsdump_info;
98  
99  /* Values for the Opcode field above */
100  
101  typedef enum {
102  	ACPI_RSD_TITLE = 0,
103  	ACPI_RSD_1BITFLAG,
104  	ACPI_RSD_2BITFLAG,
105  	ACPI_RSD_3BITFLAG,
106  	ACPI_RSD_6BITFLAG,
107  	ACPI_RSD_ADDRESS,
108  	ACPI_RSD_DWORDLIST,
109  	ACPI_RSD_LITERAL,
110  	ACPI_RSD_LONGLIST,
111  	ACPI_RSD_SHORTLIST,
112  	ACPI_RSD_SHORTLISTX,
113  	ACPI_RSD_SOURCE,
114  	ACPI_RSD_STRING,
115  	ACPI_RSD_UINT8,
116  	ACPI_RSD_UINT16,
117  	ACPI_RSD_UINT32,
118  	ACPI_RSD_UINT64,
119  	ACPI_RSD_WORDLIST,
120  	ACPI_RSD_LABEL,
121  	ACPI_RSD_SOURCE_LABEL,
122  
123  } ACPI_RSDUMP_OPCODES;
124  
125  /* restore default alignment */
126  
127  #pragma pack()
128  
129  /* Resource tables indexed by internal resource type */
130  
131  extern const u8 acpi_gbl_aml_resource_sizes[];
132  extern const u8 acpi_gbl_aml_resource_serial_bus_sizes[];
133  extern struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[];
134  
135  /* Resource tables indexed by raw AML resource descriptor type */
136  
137  extern const u8 acpi_gbl_resource_struct_sizes[];
138  extern const u8 acpi_gbl_resource_struct_serial_bus_sizes[];
139  extern struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[];
140  
141  extern struct acpi_rsconvert_info
142      *acpi_gbl_convert_resource_serial_bus_dispatch[];
143  
144  struct acpi_vendor_walk_info {
145  	struct acpi_vendor_uuid *uuid;
146  	struct acpi_buffer *buffer;
147  	acpi_status status;
148  };
149  
150  /*
151   * rscreate
152   */
153  acpi_status
154  acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer,
155  			     struct acpi_buffer *output_buffer);
156  
157  acpi_status
158  acpi_rs_create_aml_resources(struct acpi_buffer *resource_list,
159  			     struct acpi_buffer *output_buffer);
160  
161  acpi_status
162  acpi_rs_create_pci_routing_table(union acpi_operand_object *package_object,
163  				 struct acpi_buffer *output_buffer);
164  
165  /*
166   * rsutils
167   */
168  
169  acpi_status
170  acpi_rs_get_prt_method_data(struct acpi_namespace_node *node,
171  			    struct acpi_buffer *ret_buffer);
172  
173  acpi_status
174  acpi_rs_get_crs_method_data(struct acpi_namespace_node *node,
175  			    struct acpi_buffer *ret_buffer);
176  
177  acpi_status
178  acpi_rs_get_prs_method_data(struct acpi_namespace_node *node,
179  			    struct acpi_buffer *ret_buffer);
180  
181  acpi_status
182  acpi_rs_get_method_data(acpi_handle handle,
183  			const char *path, struct acpi_buffer *ret_buffer);
184  
185  acpi_status
186  acpi_rs_set_srs_method_data(struct acpi_namespace_node *node,
187  			    struct acpi_buffer *ret_buffer);
188  
189  acpi_status
190  acpi_rs_get_aei_method_data(struct acpi_namespace_node *node,
191  			    struct acpi_buffer *ret_buffer);
192  
193  /*
194   * rscalc
195   */
196  acpi_status
197  acpi_rs_get_list_length(u8 *aml_buffer,
198  			u32 aml_buffer_length, acpi_size *size_needed);
199  
200  acpi_status
201  acpi_rs_get_aml_length(struct acpi_resource *resource_list,
202  		       acpi_size resource_list_size, acpi_size *size_needed);
203  
204  acpi_status
205  acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
206  				     acpi_size *buffer_size_needed);
207  
208  acpi_status
209  acpi_rs_convert_aml_to_resources(u8 * aml,
210  				 u32 length,
211  				 u32 offset, u8 resource_index, void **context);
212  
213  acpi_status
214  acpi_rs_convert_resources_to_aml(struct acpi_resource *resource,
215  				 acpi_size aml_size_needed, u8 * output_buffer);
216  
217  /*
218   * rsaddr
219   */
220  void
221  acpi_rs_set_address_common(union aml_resource *aml,
222  			   struct acpi_resource *resource);
223  
224  u8
225  acpi_rs_get_address_common(struct acpi_resource *resource,
226  			   union aml_resource *aml);
227  
228  /*
229   * rsmisc
230   */
231  acpi_status
232  acpi_rs_convert_aml_to_resource(struct acpi_resource *resource,
233  				union aml_resource *aml,
234  				struct acpi_rsconvert_info *info);
235  
236  acpi_status
237  acpi_rs_convert_resource_to_aml(struct acpi_resource *resource,
238  				union aml_resource *aml,
239  				struct acpi_rsconvert_info *info);
240  
241  /*
242   * rsutils
243   */
244  void
245  acpi_rs_move_data(void *destination,
246  		  void *source, u16 item_count, u8 move_type);
247  
248  u8 acpi_rs_decode_bitmask(u16 mask, u8 * list);
249  
250  u16 acpi_rs_encode_bitmask(u8 * list, u8 count);
251  
252  acpi_rs_length
253  acpi_rs_get_resource_source(acpi_rs_length resource_length,
254  			    acpi_rs_length minimum_length,
255  			    struct acpi_resource_source *resource_source,
256  			    union aml_resource *aml, char *string_ptr);
257  
258  acpi_rsdesc_size
259  acpi_rs_set_resource_source(union aml_resource *aml,
260  			    acpi_rs_length minimum_length,
261  			    struct acpi_resource_source *resource_source);
262  
263  void
264  acpi_rs_set_resource_header(u8 descriptor_type,
265  			    acpi_rsdesc_size total_length,
266  			    union aml_resource *aml);
267  
268  void
269  acpi_rs_set_resource_length(acpi_rsdesc_size total_length,
270  			    union aml_resource *aml);
271  
272  /*
273   * rsdump - Debugger support
274   */
275  #ifdef ACPI_DEBUGGER
276  void acpi_rs_dump_resource_list(struct acpi_resource *resource);
277  
278  void acpi_rs_dump_irq_list(u8 *route_table);
279  #endif
280  
281  /*
282   * Resource conversion tables
283   */
284  extern struct acpi_rsconvert_info acpi_rs_convert_dma[];
285  extern struct acpi_rsconvert_info acpi_rs_convert_end_dpf[];
286  extern struct acpi_rsconvert_info acpi_rs_convert_io[];
287  extern struct acpi_rsconvert_info acpi_rs_convert_fixed_io[];
288  extern struct acpi_rsconvert_info acpi_rs_convert_end_tag[];
289  extern struct acpi_rsconvert_info acpi_rs_convert_memory24[];
290  extern struct acpi_rsconvert_info acpi_rs_convert_generic_reg[];
291  extern struct acpi_rsconvert_info acpi_rs_convert_memory32[];
292  extern struct acpi_rsconvert_info acpi_rs_convert_fixed_memory32[];
293  extern struct acpi_rsconvert_info acpi_rs_convert_address32[];
294  extern struct acpi_rsconvert_info acpi_rs_convert_address16[];
295  extern struct acpi_rsconvert_info acpi_rs_convert_ext_irq[];
296  extern struct acpi_rsconvert_info acpi_rs_convert_address64[];
297  extern struct acpi_rsconvert_info acpi_rs_convert_ext_address64[];
298  extern struct acpi_rsconvert_info acpi_rs_convert_gpio[];
299  extern struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[];
300  extern struct acpi_rsconvert_info acpi_rs_convert_csi2_serial_bus[];
301  extern struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[];
302  extern struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[];
303  extern struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[];
304  extern struct acpi_rsconvert_info acpi_rs_convert_pin_function[];
305  extern struct acpi_rsconvert_info acpi_rs_convert_pin_config[];
306  extern struct acpi_rsconvert_info acpi_rs_convert_pin_group[];
307  extern struct acpi_rsconvert_info acpi_rs_convert_pin_group_function[];
308  extern struct acpi_rsconvert_info acpi_rs_convert_pin_group_config[];
309  extern struct acpi_rsconvert_info acpi_rs_convert_clock_input[];
310  
311  /* These resources require separate get/set tables */
312  
313  extern struct acpi_rsconvert_info acpi_rs_get_irq[];
314  extern struct acpi_rsconvert_info acpi_rs_get_start_dpf[];
315  extern struct acpi_rsconvert_info acpi_rs_get_vendor_small[];
316  extern struct acpi_rsconvert_info acpi_rs_get_vendor_large[];
317  
318  extern struct acpi_rsconvert_info acpi_rs_set_irq[];
319  extern struct acpi_rsconvert_info acpi_rs_set_start_dpf[];
320  extern struct acpi_rsconvert_info acpi_rs_set_vendor[];
321  
322  #if defined(ACPI_DEBUG_OUTPUT) || defined(ACPI_DEBUGGER)
323  /*
324   * rsinfo
325   */
326  extern struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[];
327  extern struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[];
328  
329  /*
330   * rsdumpinfo
331   */
332  extern struct acpi_rsdump_info acpi_rs_dump_irq[];
333  extern struct acpi_rsdump_info acpi_rs_dump_prt[];
334  extern struct acpi_rsdump_info acpi_rs_dump_dma[];
335  extern struct acpi_rsdump_info acpi_rs_dump_start_dpf[];
336  extern struct acpi_rsdump_info acpi_rs_dump_end_dpf[];
337  extern struct acpi_rsdump_info acpi_rs_dump_io[];
338  extern struct acpi_rsdump_info acpi_rs_dump_io_flags[];
339  extern struct acpi_rsdump_info acpi_rs_dump_fixed_io[];
340  extern struct acpi_rsdump_info acpi_rs_dump_vendor[];
341  extern struct acpi_rsdump_info acpi_rs_dump_end_tag[];
342  extern struct acpi_rsdump_info acpi_rs_dump_memory24[];
343  extern struct acpi_rsdump_info acpi_rs_dump_memory32[];
344  extern struct acpi_rsdump_info acpi_rs_dump_memory_flags[];
345  extern struct acpi_rsdump_info acpi_rs_dump_fixed_memory32[];
346  extern struct acpi_rsdump_info acpi_rs_dump_address16[];
347  extern struct acpi_rsdump_info acpi_rs_dump_address32[];
348  extern struct acpi_rsdump_info acpi_rs_dump_address64[];
349  extern struct acpi_rsdump_info acpi_rs_dump_ext_address64[];
350  extern struct acpi_rsdump_info acpi_rs_dump_ext_irq[];
351  extern struct acpi_rsdump_info acpi_rs_dump_generic_reg[];
352  extern struct acpi_rsdump_info acpi_rs_dump_gpio[];
353  extern struct acpi_rsdump_info acpi_rs_dump_pin_function[];
354  extern struct acpi_rsdump_info acpi_rs_dump_fixed_dma[];
355  extern struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[];
356  extern struct acpi_rsdump_info acpi_rs_dump_csi2_serial_bus[];
357  extern struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[];
358  extern struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[];
359  extern struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[];
360  extern struct acpi_rsdump_info acpi_rs_dump_general_flags[];
361  extern struct acpi_rsdump_info acpi_rs_dump_pin_config[];
362  extern struct acpi_rsdump_info acpi_rs_dump_pin_group[];
363  extern struct acpi_rsdump_info acpi_rs_dump_pin_group_function[];
364  extern struct acpi_rsdump_info acpi_rs_dump_pin_group_config[];
365  extern struct acpi_rsdump_info acpi_rs_dump_clock_input[];
366  #endif
367  
368  #endif				/* __ACRESRC_H__ */
369