| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | /* |
| 3 | * property.h - Unified device property interface. |
| 4 | * |
| 5 | * Copyright (C) 2014, Intel Corporation |
| 6 | * Authors: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
| 7 | * Mika Westerberg <mika.westerberg@linux.intel.com> |
| 8 | */ |
| 9 | |
| 10 | #ifndef _LINUX_PROPERTY_H_ |
| 11 | #define _LINUX_PROPERTY_H_ |
| 12 | |
| 13 | #include <linux/bits.h> |
| 14 | #include <linux/fwnode.h> |
| 15 | #include <linux/types.h> |
| 16 | |
| 17 | struct device; |
| 18 | struct net_device; |
| 19 | |
| 20 | enum dev_prop_type { |
| 21 | DEV_PROP_U8, |
| 22 | DEV_PROP_U16, |
| 23 | DEV_PROP_U32, |
| 24 | DEV_PROP_U64, |
| 25 | DEV_PROP_STRING, |
| 26 | DEV_PROP_REF, |
| 27 | }; |
| 28 | |
| 29 | enum dev_dma_attr { |
| 30 | DEV_DMA_NOT_SUPPORTED, |
| 31 | DEV_DMA_NON_COHERENT, |
| 32 | DEV_DMA_COHERENT, |
| 33 | }; |
| 34 | |
| 35 | struct fwnode_handle *dev_fwnode(struct device *dev); |
| 36 | |
| 37 | bool device_property_present(struct device *dev, const char *propname); |
| 38 | int device_property_read_u8_array(struct device *dev, const char *propname, |
| 39 | u8 *val, size_t nval); |
| 40 | int device_property_read_u16_array(struct device *dev, const char *propname, |
| 41 | u16 *val, size_t nval); |
| 42 | int device_property_read_u32_array(struct device *dev, const char *propname, |
| 43 | u32 *val, size_t nval); |
| 44 | int device_property_read_u64_array(struct device *dev, const char *propname, |
| 45 | u64 *val, size_t nval); |
| 46 | int device_property_read_string_array(struct device *dev, const char *propname, |
| 47 | const char **val, size_t nval); |
| 48 | int device_property_read_string(struct device *dev, const char *propname, |
| 49 | const char **val); |
| 50 | int device_property_match_string(struct device *dev, |
| 51 | const char *propname, const char *string); |
| 52 | |
| 53 | bool fwnode_device_is_available(const struct fwnode_handle *fwnode); |
| 54 | bool fwnode_property_present(const struct fwnode_handle *fwnode, |
| 55 | const char *propname); |
| 56 | int fwnode_property_read_u8_array(const struct fwnode_handle *fwnode, |
| 57 | const char *propname, u8 *val, |
| 58 | size_t nval); |
| 59 | int fwnode_property_read_u16_array(const struct fwnode_handle *fwnode, |
| 60 | const char *propname, u16 *val, |
| 61 | size_t nval); |
| 62 | int fwnode_property_read_u32_array(const struct fwnode_handle *fwnode, |
| 63 | const char *propname, u32 *val, |
| 64 | size_t nval); |
| 65 | int fwnode_property_read_u64_array(const struct fwnode_handle *fwnode, |
| 66 | const char *propname, u64 *val, |
| 67 | size_t nval); |
| 68 | int fwnode_property_read_string_array(const struct fwnode_handle *fwnode, |
| 69 | const char *propname, const char **val, |
| 70 | size_t nval); |
| 71 | int fwnode_property_read_string(const struct fwnode_handle *fwnode, |
| 72 | const char *propname, const char **val); |
| 73 | int fwnode_property_match_string(const struct fwnode_handle *fwnode, |
| 74 | const char *propname, const char *string); |
| 75 | int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode, |
| 76 | const char *prop, const char *nargs_prop, |
| 77 | unsigned int nargs, unsigned int index, |
| 78 | struct fwnode_reference_args *args); |
| 79 | |
| 80 | struct fwnode_handle *fwnode_find_reference(const struct fwnode_handle *fwnode, |
| 81 | const char *name, |
| 82 | unsigned int index); |
| 83 | |
| 84 | const char *fwnode_get_name(const struct fwnode_handle *fwnode); |
| 85 | const char *fwnode_get_name_prefix(const struct fwnode_handle *fwnode); |
| 86 | struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode); |
| 87 | struct fwnode_handle *fwnode_get_next_parent( |
| 88 | struct fwnode_handle *fwnode); |
| 89 | struct device *fwnode_get_next_parent_dev(struct fwnode_handle *fwnode); |
| 90 | unsigned int fwnode_count_parents(const struct fwnode_handle *fwn); |
| 91 | struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwn, |
| 92 | unsigned int depth); |
| 93 | bool fwnode_is_ancestor_of(struct fwnode_handle *test_ancestor, |
| 94 | struct fwnode_handle *test_child); |
| 95 | struct fwnode_handle *fwnode_get_next_child_node( |
| 96 | const struct fwnode_handle *fwnode, struct fwnode_handle *child); |
| 97 | struct fwnode_handle *fwnode_get_next_available_child_node( |
| 98 | const struct fwnode_handle *fwnode, struct fwnode_handle *child); |
| 99 | |
| 100 | #define fwnode_for_each_child_node(fwnode, child) \ |
| 101 | for (child = fwnode_get_next_child_node(fwnode, NULL); child; \ |
| 102 | child = fwnode_get_next_child_node(fwnode, child)) |
| 103 | |
| 104 | #define fwnode_for_each_available_child_node(fwnode, child) \ |
| 105 | for (child = fwnode_get_next_available_child_node(fwnode, NULL); child;\ |
| 106 | child = fwnode_get_next_available_child_node(fwnode, child)) |
| 107 | |
| 108 | struct fwnode_handle *device_get_next_child_node( |
| 109 | struct device *dev, struct fwnode_handle *child); |
| 110 | |
| 111 | #define device_for_each_child_node(dev, child) \ |
| 112 | for (child = device_get_next_child_node(dev, NULL); child; \ |
| 113 | child = device_get_next_child_node(dev, child)) |
| 114 | |
| 115 | struct fwnode_handle *fwnode_get_named_child_node( |
| 116 | const struct fwnode_handle *fwnode, const char *childname); |
| 117 | struct fwnode_handle *device_get_named_child_node(struct device *dev, |
| 118 | const char *childname); |
| 119 | |
| 120 | struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode); |
| 121 | void fwnode_handle_put(struct fwnode_handle *fwnode); |
| 122 | |
| 123 | int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index); |
| 124 | |
| 125 | void __iomem *fwnode_iomap(struct fwnode_handle *fwnode, int index); |
| 126 | |
| 127 | unsigned int device_get_child_node_count(struct device *dev); |
| 128 | |
| 129 | static inline bool device_property_read_bool(struct device *dev, |
| 130 | const char *propname) |
| 131 | { |
| 132 | return device_property_present(dev, propname); |
| 133 | } |
| 134 | |
| 135 | static inline int device_property_read_u8(struct device *dev, |
| 136 | const char *propname, u8 *val) |
| 137 | { |
| 138 | return device_property_read_u8_array(dev, propname, val, 1); |
| 139 | } |
| 140 | |
| 141 | static inline int device_property_read_u16(struct device *dev, |
| 142 | const char *propname, u16 *val) |
| 143 | { |
| 144 | return device_property_read_u16_array(dev, propname, val, 1); |
| 145 | } |
| 146 | |
| 147 | static inline int device_property_read_u32(struct device *dev, |
| 148 | const char *propname, u32 *val) |
| 149 | { |
| 150 | return device_property_read_u32_array(dev, propname, val, 1); |
| 151 | } |
| 152 | |
| 153 | static inline int device_property_read_u64(struct device *dev, |
| 154 | const char *propname, u64 *val) |
| 155 | { |
| 156 | return device_property_read_u64_array(dev, propname, val, 1); |
| 157 | } |
| 158 | |
| 159 | static inline int device_property_count_u8(struct device *dev, const char *propname) |
| 160 | { |
| 161 | return device_property_read_u8_array(dev, propname, NULL, 0); |
| 162 | } |
| 163 | |
| 164 | static inline int device_property_count_u16(struct device *dev, const char *propname) |
| 165 | { |
| 166 | return device_property_read_u16_array(dev, propname, NULL, 0); |
| 167 | } |
| 168 | |
| 169 | static inline int device_property_count_u32(struct device *dev, const char *propname) |
| 170 | { |
| 171 | return device_property_read_u32_array(dev, propname, NULL, 0); |
| 172 | } |
| 173 | |
| 174 | static inline int device_property_count_u64(struct device *dev, const char *propname) |
| 175 | { |
| 176 | return device_property_read_u64_array(dev, propname, NULL, 0); |
| 177 | } |
| 178 | |
| 179 | static inline int device_property_string_array_count(struct device *dev, |
| 180 | const char *propname) |
| 181 | { |
| 182 | return device_property_read_string_array(dev, propname, NULL, 0); |
| 183 | } |
| 184 | |
| 185 | static inline bool fwnode_property_read_bool(const struct fwnode_handle *fwnode, |
| 186 | const char *propname) |
| 187 | { |
| 188 | return fwnode_property_present(fwnode, propname); |
| 189 | } |
| 190 | |
| 191 | static inline int fwnode_property_read_u8(const struct fwnode_handle *fwnode, |
| 192 | const char *propname, u8 *val) |
| 193 | { |
| 194 | return fwnode_property_read_u8_array(fwnode, propname, val, 1); |
| 195 | } |
| 196 | |
| 197 | static inline int fwnode_property_read_u16(const struct fwnode_handle *fwnode, |
| 198 | const char *propname, u16 *val) |
| 199 | { |
| 200 | return fwnode_property_read_u16_array(fwnode, propname, val, 1); |
| 201 | } |
| 202 | |
| 203 | static inline int fwnode_property_read_u32(const struct fwnode_handle *fwnode, |
| 204 | const char *propname, u32 *val) |
| 205 | { |
| 206 | return fwnode_property_read_u32_array(fwnode, propname, val, 1); |
| 207 | } |
| 208 | |
| 209 | static inline int fwnode_property_read_u64(const struct fwnode_handle *fwnode, |
| 210 | const char *propname, u64 *val) |
| 211 | { |
| 212 | return fwnode_property_read_u64_array(fwnode, propname, val, 1); |
| 213 | } |
| 214 | |
| 215 | static inline int fwnode_property_count_u8(const struct fwnode_handle *fwnode, |
| 216 | const char *propname) |
| 217 | { |
| 218 | return fwnode_property_read_u8_array(fwnode, propname, NULL, 0); |
| 219 | } |
| 220 | |
| 221 | static inline int fwnode_property_count_u16(const struct fwnode_handle *fwnode, |
| 222 | const char *propname) |
| 223 | { |
| 224 | return fwnode_property_read_u16_array(fwnode, propname, NULL, 0); |
| 225 | } |
| 226 | |
| 227 | static inline int fwnode_property_count_u32(const struct fwnode_handle *fwnode, |
| 228 | const char *propname) |
| 229 | { |
| 230 | return fwnode_property_read_u32_array(fwnode, propname, NULL, 0); |
| 231 | } |
| 232 | |
| 233 | static inline int fwnode_property_count_u64(const struct fwnode_handle *fwnode, |
| 234 | const char *propname) |
| 235 | { |
| 236 | return fwnode_property_read_u64_array(fwnode, propname, NULL, 0); |
| 237 | } |
| 238 | |
| 239 | static inline int |
| 240 | fwnode_property_string_array_count(const struct fwnode_handle *fwnode, |
| 241 | const char *propname) |
| 242 | { |
| 243 | return fwnode_property_read_string_array(fwnode, propname, NULL, 0); |
| 244 | } |
| 245 | |
| 246 | struct software_node; |
| 247 | |
| 248 | /** |
| 249 | * struct software_node_ref_args - Reference property with additional arguments |
| 250 | * @node: Reference to a software node |
| 251 | * @nargs: Number of elements in @args array |
| 252 | * @args: Integer arguments |
| 253 | */ |
| 254 | struct software_node_ref_args { |
| 255 | const struct software_node *node; |
| 256 | unsigned int nargs; |
| 257 | u64 args[NR_FWNODE_REFERENCE_ARGS]; |
| 258 | }; |
| 259 | |
| 260 | #define SOFTWARE_NODE_REFERENCE(_ref_, ...) \ |
| 261 | (const struct software_node_ref_args) { \ |
| 262 | .node = _ref_, \ |
| 263 | .nargs = ARRAY_SIZE(((u64[]){ 0, ##__VA_ARGS__ })) - 1, \ |
| 264 | .args = { __VA_ARGS__ }, \ |
| 265 | } |
| 266 | |
| 267 | /** |
| 268 | * struct property_entry - "Built-in" device property representation. |
| 269 | * @name: Name of the property. |
| 270 | * @length: Length of data making up the value. |
| 271 | * @is_inline: True when the property value is stored inline. |
| 272 | * @type: Type of the data in unions. |
| 273 | * @pointer: Pointer to the property when it is not stored inline. |
| 274 | * @value: Value of the property when it is stored inline. |
| 275 | */ |
| 276 | struct property_entry { |
| 277 | const char *name; |
| 278 | size_t length; |
| 279 | bool is_inline; |
| 280 | enum dev_prop_type type; |
| 281 | union { |
| 282 | const void *pointer; |
| 283 | union { |
| 284 | u8 u8_data[sizeof(u64) / sizeof(u8)]; |
| 285 | u16 u16_data[sizeof(u64) / sizeof(u16)]; |
| 286 | u32 u32_data[sizeof(u64) / sizeof(u32)]; |
| 287 | u64 u64_data[sizeof(u64) / sizeof(u64)]; |
| 288 | const char *str[sizeof(u64) / sizeof(char *)]; |
| 289 | } value; |
| 290 | }; |
| 291 | }; |
| 292 | |
| 293 | /* |
| 294 | * Note: the below initializers for the anonymous union are carefully |
| 295 | * crafted to avoid gcc-4.4.4's problems with initialization of anon unions |
| 296 | * and structs. |
| 297 | */ |
| 298 | |
| 299 | #define __PROPERTY_ENTRY_ELEMENT_SIZE(_elem_) \ |
| 300 | sizeof(((struct property_entry *)NULL)->value._elem_[0]) |
| 301 | |
| 302 | #define __PROPERTY_ENTRY_ARRAY_ELSIZE_LEN(_name_, _elsize_, _Type_, \ |
| 303 | _val_, _len_) \ |
| 304 | (struct property_entry) { \ |
| 305 | .name = _name_, \ |
| 306 | .length = (_len_) * (_elsize_), \ |
| 307 | .type = DEV_PROP_##_Type_, \ |
| 308 | { .pointer = _val_ }, \ |
| 309 | } |
| 310 | |
| 311 | #define __PROPERTY_ENTRY_ARRAY_LEN(_name_, _elem_, _Type_, _val_, _len_)\ |
| 312 | __PROPERTY_ENTRY_ARRAY_ELSIZE_LEN(_name_, \ |
| 313 | __PROPERTY_ENTRY_ELEMENT_SIZE(_elem_), \ |
| 314 | _Type_, _val_, _len_) |
| 315 | |
| 316 | #define PROPERTY_ENTRY_U8_ARRAY_LEN(_name_, _val_, _len_) \ |
| 317 | __PROPERTY_ENTRY_ARRAY_LEN(_name_, u8_data, U8, _val_, _len_) |
| 318 | #define PROPERTY_ENTRY_U16_ARRAY_LEN(_name_, _val_, _len_) \ |
| 319 | __PROPERTY_ENTRY_ARRAY_LEN(_name_, u16_data, U16, _val_, _len_) |
| 320 | #define PROPERTY_ENTRY_U32_ARRAY_LEN(_name_, _val_, _len_) \ |
| 321 | __PROPERTY_ENTRY_ARRAY_LEN(_name_, u32_data, U32, _val_, _len_) |
| 322 | #define PROPERTY_ENTRY_U64_ARRAY_LEN(_name_, _val_, _len_) \ |
| 323 | __PROPERTY_ENTRY_ARRAY_LEN(_name_, u64_data, U64, _val_, _len_) |
| 324 | #define PROPERTY_ENTRY_STRING_ARRAY_LEN(_name_, _val_, _len_) \ |
| 325 | __PROPERTY_ENTRY_ARRAY_LEN(_name_, str, STRING, _val_, _len_) |
| 326 | #define PROPERTY_ENTRY_REF_ARRAY_LEN(_name_, _val_, _len_) \ |
| 327 | __PROPERTY_ENTRY_ARRAY_ELSIZE_LEN(_name_, \ |
| 328 | sizeof(struct software_node_ref_args), \ |
| 329 | REF, _val_, _len_) |
| 330 | |
| 331 | #define PROPERTY_ENTRY_U8_ARRAY(_name_, _val_) \ |
| 332 | PROPERTY_ENTRY_U8_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_)) |
| 333 | #define PROPERTY_ENTRY_U16_ARRAY(_name_, _val_) \ |
| 334 | PROPERTY_ENTRY_U16_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_)) |
| 335 | #define PROPERTY_ENTRY_U32_ARRAY(_name_, _val_) \ |
| 336 | PROPERTY_ENTRY_U32_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_)) |
| 337 | #define PROPERTY_ENTRY_U64_ARRAY(_name_, _val_) \ |
| 338 | PROPERTY_ENTRY_U64_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_)) |
| 339 | #define PROPERTY_ENTRY_STRING_ARRAY(_name_, _val_) \ |
| 340 | PROPERTY_ENTRY_STRING_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_)) |
| 341 | #define PROPERTY_ENTRY_REF_ARRAY(_name_, _val_) \ |
| 342 | PROPERTY_ENTRY_REF_ARRAY_LEN(_name_, _val_, ARRAY_SIZE(_val_)) |
| 343 | |
| 344 | #define __PROPERTY_ENTRY_ELEMENT(_name_, _elem_, _Type_, _val_) \ |
| 345 | (struct property_entry) { \ |
| 346 | .name = _name_, \ |
| 347 | .length = __PROPERTY_ENTRY_ELEMENT_SIZE(_elem_), \ |
| 348 | .is_inline = true, \ |
| 349 | .type = DEV_PROP_##_Type_, \ |
| 350 | { .value = { ._elem_[0] = _val_ } }, \ |
| 351 | } |
| 352 | |
| 353 | #define PROPERTY_ENTRY_U8(_name_, _val_) \ |
| 354 | __PROPERTY_ENTRY_ELEMENT(_name_, u8_data, U8, _val_) |
| 355 | #define PROPERTY_ENTRY_U16(_name_, _val_) \ |
| 356 | __PROPERTY_ENTRY_ELEMENT(_name_, u16_data, U16, _val_) |
| 357 | #define PROPERTY_ENTRY_U32(_name_, _val_) \ |
| 358 | __PROPERTY_ENTRY_ELEMENT(_name_, u32_data, U32, _val_) |
| 359 | #define PROPERTY_ENTRY_U64(_name_, _val_) \ |
| 360 | __PROPERTY_ENTRY_ELEMENT(_name_, u64_data, U64, _val_) |
| 361 | #define PROPERTY_ENTRY_STRING(_name_, _val_) \ |
| 362 | __PROPERTY_ENTRY_ELEMENT(_name_, str, STRING, _val_) |
| 363 | |
| 364 | #define PROPERTY_ENTRY_BOOL(_name_) \ |
| 365 | (struct property_entry) { \ |
| 366 | .name = _name_, \ |
| 367 | .is_inline = true, \ |
| 368 | } |
| 369 | |
| 370 | #define PROPERTY_ENTRY_REF(_name_, _ref_, ...) \ |
| 371 | (struct property_entry) { \ |
| 372 | .name = _name_, \ |
| 373 | .length = sizeof(struct software_node_ref_args), \ |
| 374 | .type = DEV_PROP_REF, \ |
| 375 | { .pointer = &SOFTWARE_NODE_REFERENCE(_ref_, ##__VA_ARGS__), }, \ |
| 376 | } |
| 377 | |
| 378 | struct property_entry * |
| 379 | property_entries_dup(const struct property_entry *properties); |
| 380 | |
| 381 | void property_entries_free(const struct property_entry *properties); |
| 382 | |
| 383 | bool device_dma_supported(struct device *dev); |
| 384 | |
| 385 | enum dev_dma_attr device_get_dma_attr(struct device *dev); |
| 386 | |
| 387 | const void *device_get_match_data(struct device *dev); |
| 388 | |
| 389 | int device_get_phy_mode(struct device *dev); |
| 390 | |
| 391 | int fwnode_get_phy_mode(struct fwnode_handle *fwnode); |
| 392 | struct fwnode_handle *fwnode_graph_get_next_endpoint( |
| 393 | const struct fwnode_handle *fwnode, struct fwnode_handle *prev); |
| 394 | struct fwnode_handle * |
| 395 | fwnode_graph_get_port_parent(const struct fwnode_handle *fwnode); |
| 396 | struct fwnode_handle *fwnode_graph_get_remote_port_parent( |
| 397 | const struct fwnode_handle *fwnode); |
| 398 | struct fwnode_handle *fwnode_graph_get_remote_port( |
| 399 | const struct fwnode_handle *fwnode); |
| 400 | struct fwnode_handle *fwnode_graph_get_remote_endpoint( |
| 401 | const struct fwnode_handle *fwnode); |
| 402 | |
| 403 | static inline bool fwnode_graph_is_endpoint(struct fwnode_handle *fwnode) |
| 404 | { |
| 405 | return fwnode_property_present(fwnode, "remote-endpoint"); |
| 406 | } |
| 407 | |
| 408 | /* |
| 409 | * Fwnode lookup flags |
| 410 | * |
| 411 | * @FWNODE_GRAPH_ENDPOINT_NEXT: In the case of no exact match, look for the |
| 412 | * closest endpoint ID greater than the specified |
| 413 | * one. |
| 414 | * @FWNODE_GRAPH_DEVICE_DISABLED: That the device to which the remote |
| 415 | * endpoint of the given endpoint belongs to, |
| 416 | * may be disabled, or that the endpoint is not |
| 417 | * connected. |
| 418 | */ |
| 419 | #define FWNODE_GRAPH_ENDPOINT_NEXT BIT(0) |
| 420 | #define FWNODE_GRAPH_DEVICE_DISABLED BIT(1) |
| 421 | |
| 422 | struct fwnode_handle * |
| 423 | fwnode_graph_get_endpoint_by_id(const struct fwnode_handle *fwnode, |
| 424 | u32 port, u32 endpoint, unsigned long flags); |
| 425 | unsigned int fwnode_graph_get_endpoint_count(struct fwnode_handle *fwnode, |
| 426 | unsigned long flags); |
| 427 | |
| 428 | #define fwnode_graph_for_each_endpoint(fwnode, child) \ |
| 429 | for (child = NULL; \ |
| 430 | (child = fwnode_graph_get_next_endpoint(fwnode, child)); ) |
| 431 | |
| 432 | int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, |
| 433 | struct fwnode_endpoint *endpoint); |
| 434 | |
| 435 | typedef void *(*devcon_match_fn_t)(struct fwnode_handle *fwnode, const char *id, |
| 436 | void *data); |
| 437 | |
| 438 | void *fwnode_connection_find_match(struct fwnode_handle *fwnode, |
| 439 | const char *con_id, void *data, |
| 440 | devcon_match_fn_t match); |
| 441 | |
| 442 | static inline void *device_connection_find_match(struct device *dev, |
| 443 | const char *con_id, void *data, |
| 444 | devcon_match_fn_t match) |
| 445 | { |
| 446 | return fwnode_connection_find_match(dev_fwnode(dev), con_id, data, match); |
| 447 | } |
| 448 | |
| 449 | /* -------------------------------------------------------------------------- */ |
| 450 | /* Software fwnode support - when HW description is incomplete or missing */ |
| 451 | |
| 452 | /** |
| 453 | * struct software_node - Software node description |
| 454 | * @name: Name of the software node |
| 455 | * @parent: Parent of the software node |
| 456 | * @properties: Array of device properties |
| 457 | */ |
| 458 | struct software_node { |
| 459 | const char *name; |
| 460 | const struct software_node *parent; |
| 461 | const struct property_entry *properties; |
| 462 | }; |
| 463 | |
| 464 | bool is_software_node(const struct fwnode_handle *fwnode); |
| 465 | const struct software_node * |
| 466 | to_software_node(const struct fwnode_handle *fwnode); |
| 467 | struct fwnode_handle *software_node_fwnode(const struct software_node *node); |
| 468 | |
| 469 | const struct software_node * |
| 470 | software_node_find_by_name(const struct software_node *parent, |
| 471 | const char *name); |
| 472 | |
| 473 | int software_node_register_nodes(const struct software_node *nodes); |
| 474 | void software_node_unregister_nodes(const struct software_node *nodes); |
| 475 | |
| 476 | int software_node_register_node_group(const struct software_node **node_group); |
| 477 | void software_node_unregister_node_group(const struct software_node **node_group); |
| 478 | |
| 479 | int software_node_register(const struct software_node *node); |
| 480 | void software_node_unregister(const struct software_node *node); |
| 481 | |
| 482 | struct fwnode_handle * |
| 483 | fwnode_create_software_node(const struct property_entry *properties, |
| 484 | const struct fwnode_handle *parent); |
| 485 | void fwnode_remove_software_node(struct fwnode_handle *fwnode); |
| 486 | |
| 487 | int device_add_software_node(struct device *dev, const struct software_node *node); |
| 488 | void device_remove_software_node(struct device *dev); |
| 489 | |
| 490 | int device_create_managed_software_node(struct device *dev, |
| 491 | const struct property_entry *properties, |
| 492 | const struct software_node *parent); |
| 493 | |
| 494 | #endif /* _LINUX_PROPERTY_H_ */ |