1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 #ifndef __LINUX_REGMAP_H 3 #define __LINUX_REGMAP_H 4 5 /* 6 * Register map access API 7 * 8 * Copyright 2011 Wolfson Microelectronics plc 9 * 10 * Author: Mark Brown <[email protected]> 11 */ 12 13 #include <linux/list.h> 14 #include <linux/rbtree.h> 15 #include <linux/ktime.h> 16 #include <linux/delay.h> 17 #include <linux/err.h> 18 #include <linux/bug.h> 19 #include <linux/lockdep.h> 20 #include <linux/iopoll.h> 21 #include <linux/fwnode.h> 22 23 struct module; 24 struct clk; 25 struct device; 26 struct device_node; 27 struct fsi_device; 28 struct i2c_client; 29 struct i3c_device; 30 struct irq_domain; 31 struct mdio_device; 32 struct slim_device; 33 struct spi_device; 34 struct spmi_device; 35 struct regmap; 36 struct regmap_range_cfg; 37 struct regmap_field; 38 struct snd_ac97; 39 struct sdw_slave; 40 41 /* 42 * regmap_mdio address encoding. IEEE 802.3ae clause 45 addresses consist of a 43 * device address and a register address. 44 */ 45 #define REGMAP_MDIO_C45_DEVAD_SHIFT 16 46 #define REGMAP_MDIO_C45_DEVAD_MASK GENMASK(20, 16) 47 #define REGMAP_MDIO_C45_REGNUM_MASK GENMASK(15, 0) 48 49 /* 50 * regmap.reg_shift indicates by how much we must shift registers prior to 51 * performing any operation. It's a signed value, positive numbers means 52 * downshifting the register's address, while negative numbers means upshifting. 53 */ 54 #define REGMAP_UPSHIFT(s) (-(s)) 55 #define REGMAP_DOWNSHIFT(s) (s) 56 57 /* An enum of all the supported cache types */ 58 enum regcache_type { 59 REGCACHE_NONE, 60 REGCACHE_RBTREE, 61 REGCACHE_FLAT, 62 REGCACHE_MAPLE, 63 }; 64 65 /** 66 * struct reg_default - Default value for a register. 67 * 68 * @reg: Register address. 69 * @def: Register default value. 70 * 71 * We use an array of structs rather than a simple array as many modern devices 72 * have very sparse register maps. 73 */ 74 struct reg_default { 75 unsigned int reg; 76 unsigned int def; 77 }; 78 79 /** 80 * struct reg_sequence - An individual write from a sequence of writes. 81 * 82 * @reg: Register address. 83 * @def: Register value. 84 * @delay_us: Delay to be applied after the register write in microseconds 85 * 86 * Register/value pairs for sequences of writes with an optional delay in 87 * microseconds to be applied after each write. 88 */ 89 struct reg_sequence { 90 unsigned int reg; 91 unsigned int def; 92 unsigned int delay_us; 93 }; 94 95 #define REG_SEQ(_reg, _def, _delay_us) { \ 96 .reg = _reg, \ 97 .def = _def, \ 98 .delay_us = _delay_us, \ 99 } 100 #define REG_SEQ0(_reg, _def) REG_SEQ(_reg, _def, 0) 101 102 /** 103 * regmap_read_poll_timeout - Poll until a condition is met or a timeout occurs 104 * 105 * @map: Regmap to read from 106 * @addr: Address to poll 107 * @val: Unsigned integer variable to read the value into 108 * @cond: Break condition (usually involving @val) 109 * @sleep_us: Maximum time to sleep between reads in us (0 110 * tight-loops). Should be less than ~20ms since usleep_range 111 * is used (see Documentation/timers/timers-howto.rst). 112 * @timeout_us: Timeout in us, 0 means never timeout 113 * 114 * Returns 0 on success and -ETIMEDOUT upon a timeout or the regmap_read 115 * error return value in case of a error read. In the two former cases, 116 * the last read value at @addr is stored in @val. Must not be called 117 * from atomic context if sleep_us or timeout_us are used. 118 * 119 * This is modelled after the readx_poll_timeout macros in linux/iopoll.h. 120 */ 121 #define regmap_read_poll_timeout(map, addr, val, cond, sleep_us, timeout_us) \ 122 ({ \ 123 int __ret, __tmp; \ 124 __tmp = read_poll_timeout(regmap_read, __ret, __ret || (cond), \ 125 sleep_us, timeout_us, false, (map), (addr), &(val)); \ 126 __ret ?: __tmp; \ 127 }) 128 129 /** 130 * regmap_read_poll_timeout_atomic - Poll until a condition is met or a timeout occurs 131 * 132 * @map: Regmap to read from 133 * @addr: Address to poll 134 * @val: Unsigned integer variable to read the value into 135 * @cond: Break condition (usually involving @val) 136 * @delay_us: Time to udelay between reads in us (0 tight-loops). 137 * Should be less than ~10us since udelay is used 138 * (see Documentation/timers/timers-howto.rst). 139 * @timeout_us: Timeout in us, 0 means never timeout 140 * 141 * Returns 0 on success and -ETIMEDOUT upon a timeout or the regmap_read 142 * error return value in case of a error read. In the two former cases, 143 * the last read value at @addr is stored in @val. 144 * 145 * This is modelled after the readx_poll_timeout_atomic macros in linux/iopoll.h. 146 * 147 * Note: In general regmap cannot be used in atomic context. If you want to use 148 * this macro then first setup your regmap for atomic use (flat or no cache 149 * and MMIO regmap). 150 */ 151 #define regmap_read_poll_timeout_atomic(map, addr, val, cond, delay_us, timeout_us) \ 152 ({ \ 153 u64 __timeout_us = (timeout_us); \ 154 unsigned long __delay_us = (delay_us); \ 155 ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \ 156 int __ret; \ 157 for (;;) { \ 158 __ret = regmap_read((map), (addr), &(val)); \ 159 if (__ret) \ 160 break; \ 161 if (cond) \ 162 break; \ 163 if ((__timeout_us) && \ 164 ktime_compare(ktime_get(), __timeout) > 0) { \ 165 __ret = regmap_read((map), (addr), &(val)); \ 166 break; \ 167 } \ 168 if (__delay_us) \ 169 udelay(__delay_us); \ 170 } \ 171 __ret ?: ((cond) ? 0 : -ETIMEDOUT); \ 172 }) 173 174 /** 175 * regmap_field_read_poll_timeout - Poll until a condition is met or timeout 176 * 177 * @field: Regmap field to read from 178 * @val: Unsigned integer variable to read the value into 179 * @cond: Break condition (usually involving @val) 180 * @sleep_us: Maximum time to sleep between reads in us (0 181 * tight-loops). Should be less than ~20ms since usleep_range 182 * is used (see Documentation/timers/timers-howto.rst). 183 * @timeout_us: Timeout in us, 0 means never timeout 184 * 185 * Returns 0 on success and -ETIMEDOUT upon a timeout or the regmap_field_read 186 * error return value in case of a error read. In the two former cases, 187 * the last read value at @addr is stored in @val. Must not be called 188 * from atomic context if sleep_us or timeout_us are used. 189 * 190 * This is modelled after the readx_poll_timeout macros in linux/iopoll.h. 191 */ 192 #define regmap_field_read_poll_timeout(field, val, cond, sleep_us, timeout_us) \ 193 ({ \ 194 int __ret, __tmp; \ 195 __tmp = read_poll_timeout(regmap_field_read, __ret, __ret || (cond), \ 196 sleep_us, timeout_us, false, (field), &(val)); \ 197 __ret ?: __tmp; \ 198 }) 199 200 #ifdef CONFIG_REGMAP 201 202 enum regmap_endian { 203 /* Unspecified -> 0 -> Backwards compatible default */ 204 REGMAP_ENDIAN_DEFAULT = 0, 205 REGMAP_ENDIAN_BIG, 206 REGMAP_ENDIAN_LITTLE, 207 REGMAP_ENDIAN_NATIVE, 208 }; 209 210 /** 211 * struct regmap_range - A register range, used for access related checks 212 * (readable/writeable/volatile/precious checks) 213 * 214 * @range_min: address of first register 215 * @range_max: address of last register 216 */ 217 struct regmap_range { 218 unsigned int range_min; 219 unsigned int range_max; 220 }; 221 222 #define regmap_reg_range(low, high) { .range_min = low, .range_max = high, } 223 224 /** 225 * struct regmap_access_table - A table of register ranges for access checks 226 * 227 * @yes_ranges : pointer to an array of regmap ranges used as "yes ranges" 228 * @n_yes_ranges: size of the above array 229 * @no_ranges: pointer to an array of regmap ranges used as "no ranges" 230 * @n_no_ranges: size of the above array 231 * 232 * A table of ranges including some yes ranges and some no ranges. 233 * If a register belongs to a no_range, the corresponding check function 234 * will return false. If a register belongs to a yes range, the corresponding 235 * check function will return true. "no_ranges" are searched first. 236 */ 237 struct regmap_access_table { 238 const struct regmap_range *yes_ranges; 239 unsigned int n_yes_ranges; 240 const struct regmap_range *no_ranges; 241 unsigned int n_no_ranges; 242 }; 243 244 typedef void (*regmap_lock)(void *); 245 typedef void (*regmap_unlock)(void *); 246 247 /** 248 * struct regmap_config - Configuration for the register map of a device. 249 * 250 * @name: Optional name of the regmap. Useful when a device has multiple 251 * register regions. 252 * 253 * @reg_bits: Number of bits in a register address, mandatory. 254 * @reg_stride: The register address stride. Valid register addresses are a 255 * multiple of this value. If set to 0, a value of 1 will be 256 * used. 257 * @reg_shift: The number of bits to shift the register before performing any 258 * operations. Any positive number will be downshifted, and negative 259 * values will be upshifted 260 * @reg_base: Value to be added to every register address before performing any 261 * operation. 262 * @pad_bits: Number of bits of padding between register and value. 263 * @val_bits: Number of bits in a register value, mandatory. 264 * 265 * @writeable_reg: Optional callback returning true if the register 266 * can be written to. If this field is NULL but wr_table 267 * (see below) is not, the check is performed on such table 268 * (a register is writeable if it belongs to one of the ranges 269 * specified by wr_table). 270 * @readable_reg: Optional callback returning true if the register 271 * can be read from. If this field is NULL but rd_table 272 * (see below) is not, the check is performed on such table 273 * (a register is readable if it belongs to one of the ranges 274 * specified by rd_table). 275 * @volatile_reg: Optional callback returning true if the register 276 * value can't be cached. If this field is NULL but 277 * volatile_table (see below) is not, the check is performed on 278 * such table (a register is volatile if it belongs to one of 279 * the ranges specified by volatile_table). 280 * @precious_reg: Optional callback returning true if the register 281 * should not be read outside of a call from the driver 282 * (e.g., a clear on read interrupt status register). If this 283 * field is NULL but precious_table (see below) is not, the 284 * check is performed on such table (a register is precious if 285 * it belongs to one of the ranges specified by precious_table). 286 * @writeable_noinc_reg: Optional callback returning true if the register 287 * supports multiple write operations without incrementing 288 * the register number. If this field is NULL but 289 * wr_noinc_table (see below) is not, the check is 290 * performed on such table (a register is no increment 291 * writeable if it belongs to one of the ranges specified 292 * by wr_noinc_table). 293 * @readable_noinc_reg: Optional callback returning true if the register 294 * supports multiple read operations without incrementing 295 * the register number. If this field is NULL but 296 * rd_noinc_table (see below) is not, the check is 297 * performed on such table (a register is no increment 298 * readable if it belongs to one of the ranges specified 299 * by rd_noinc_table). 300 * @disable_locking: This regmap is either protected by external means or 301 * is guaranteed not to be accessed from multiple threads. 302 * Don't use any locking mechanisms. 303 * @lock: Optional lock callback (overrides regmap's default lock 304 * function, based on spinlock or mutex). 305 * @unlock: As above for unlocking. 306 * @lock_arg: this field is passed as the only argument of lock/unlock 307 * functions (ignored in case regular lock/unlock functions 308 * are not overridden). 309 * @reg_read: Optional callback that if filled will be used to perform 310 * all the reads from the registers. Should only be provided for 311 * devices whose read operation cannot be represented as a simple 312 * read operation on a bus such as SPI, I2C, etc. Most of the 313 * devices do not need this. 314 * @reg_write: Same as above for writing. 315 * @reg_update_bits: Optional callback that if filled will be used to perform 316 * all the update_bits(rmw) operation. Should only be provided 317 * if the function require special handling with lock and reg 318 * handling and the operation cannot be represented as a simple 319 * update_bits operation on a bus such as SPI, I2C, etc. 320 * @read: Optional callback that if filled will be used to perform all the 321 * bulk reads from the registers. Data is returned in the buffer used 322 * to transmit data. 323 * @write: Same as above for writing. 324 * @max_raw_read: Max raw read size that can be used on the device. 325 * @max_raw_write: Max raw write size that can be used on the device. 326 * @fast_io: Register IO is fast. Use a spinlock instead of a mutex 327 * to perform locking. This field is ignored if custom lock/unlock 328 * functions are used (see fields lock/unlock of struct regmap_config). 329 * This field is a duplicate of a similar file in 330 * 'struct regmap_bus' and serves exact same purpose. 331 * Use it only for "no-bus" cases. 332 * @io_port: Support IO port accessors. Makes sense only when MMIO vs. IO port 333 * access can be distinguished. 334 * @max_register: Optional, specifies the maximum valid register address. 335 * @wr_table: Optional, points to a struct regmap_access_table specifying 336 * valid ranges for write access. 337 * @rd_table: As above, for read access. 338 * @volatile_table: As above, for volatile registers. 339 * @precious_table: As above, for precious registers. 340 * @wr_noinc_table: As above, for no increment writeable registers. 341 * @rd_noinc_table: As above, for no increment readable registers. 342 * @reg_defaults: Power on reset values for registers (for use with 343 * register cache support). 344 * @num_reg_defaults: Number of elements in reg_defaults. 345 * 346 * @read_flag_mask: Mask to be set in the top bytes of the register when doing 347 * a read. 348 * @write_flag_mask: Mask to be set in the top bytes of the register when doing 349 * a write. If both read_flag_mask and write_flag_mask are 350 * empty and zero_flag_mask is not set the regmap_bus default 351 * masks are used. 352 * @zero_flag_mask: If set, read_flag_mask and write_flag_mask are used even 353 * if they are both empty. 354 * @use_relaxed_mmio: If set, MMIO R/W operations will not use memory barriers. 355 * This can avoid load on devices which don't require strict 356 * orderings, but drivers should carefully add any explicit 357 * memory barriers when they may require them. 358 * @use_single_read: If set, converts the bulk read operation into a series of 359 * single read operations. This is useful for a device that 360 * does not support bulk read. 361 * @use_single_write: If set, converts the bulk write operation into a series of 362 * single write operations. This is useful for a device that 363 * does not support bulk write. 364 * @can_multi_write: If set, the device supports the multi write mode of bulk 365 * write operations, if clear multi write requests will be 366 * split into individual write operations 367 * 368 * @cache_type: The actual cache type. 369 * @reg_defaults_raw: Power on reset values for registers (for use with 370 * register cache support). 371 * @num_reg_defaults_raw: Number of elements in reg_defaults_raw. 372 * @reg_format_endian: Endianness for formatted register addresses. If this is 373 * DEFAULT, the @reg_format_endian_default value from the 374 * regmap bus is used. 375 * @val_format_endian: Endianness for formatted register values. If this is 376 * DEFAULT, the @reg_format_endian_default value from the 377 * regmap bus is used. 378 * 379 * @ranges: Array of configuration entries for virtual address ranges. 380 * @num_ranges: Number of range configuration entries. 381 * @use_hwlock: Indicate if a hardware spinlock should be used. 382 * @use_raw_spinlock: Indicate if a raw spinlock should be used. 383 * @hwlock_id: Specify the hardware spinlock id. 384 * @hwlock_mode: The hardware spinlock mode, should be HWLOCK_IRQSTATE, 385 * HWLOCK_IRQ or 0. 386 * @can_sleep: Optional, specifies whether regmap operations can sleep. 387 */ 388 struct regmap_config { 389 const char *name; 390 391 int reg_bits; 392 int reg_stride; 393 int reg_shift; 394 unsigned int reg_base; 395 int pad_bits; 396 int val_bits; 397 398 bool (*writeable_reg)(struct device *dev, unsigned int reg); 399 bool (*readable_reg)(struct device *dev, unsigned int reg); 400 bool (*volatile_reg)(struct device *dev, unsigned int reg); 401 bool (*precious_reg)(struct device *dev, unsigned int reg); 402 bool (*writeable_noinc_reg)(struct device *dev, unsigned int reg); 403 bool (*readable_noinc_reg)(struct device *dev, unsigned int reg); 404 405 bool disable_locking; 406 regmap_lock lock; 407 regmap_unlock unlock; 408 void *lock_arg; 409 410 int (*reg_read)(void *context, unsigned int reg, unsigned int *val); 411 int (*reg_write)(void *context, unsigned int reg, unsigned int val); 412 int (*reg_update_bits)(void *context, unsigned int reg, 413 unsigned int mask, unsigned int val); 414 /* Bulk read/write */ 415 int (*read)(void *context, const void *reg_buf, size_t reg_size, 416 void *val_buf, size_t val_size); 417 int (*write)(void *context, const void *data, size_t count); 418 size_t max_raw_read; 419 size_t max_raw_write; 420 421 bool fast_io; 422 bool io_port; 423 424 unsigned int max_register; 425 const struct regmap_access_table *wr_table; 426 const struct regmap_access_table *rd_table; 427 const struct regmap_access_table *volatile_table; 428 const struct regmap_access_table *precious_table; 429 const struct regmap_access_table *wr_noinc_table; 430 const struct regmap_access_table *rd_noinc_table; 431 const struct reg_default *reg_defaults; 432 unsigned int num_reg_defaults; 433 enum regcache_type cache_type; 434 const void *reg_defaults_raw; 435 unsigned int num_reg_defaults_raw; 436 437 unsigned long read_flag_mask; 438 unsigned long write_flag_mask; 439 bool zero_flag_mask; 440 441 bool use_single_read; 442 bool use_single_write; 443 bool use_relaxed_mmio; 444 bool can_multi_write; 445 446 enum regmap_endian reg_format_endian; 447 enum regmap_endian val_format_endian; 448 449 const struct regmap_range_cfg *ranges; 450 unsigned int num_ranges; 451 452 bool use_hwlock; 453 bool use_raw_spinlock; 454 unsigned int hwlock_id; 455 unsigned int hwlock_mode; 456 457 bool can_sleep; 458 }; 459 460 /** 461 * struct regmap_range_cfg - Configuration for indirectly accessed or paged 462 * registers. 463 * 464 * @name: Descriptive name for diagnostics 465 * 466 * @range_min: Address of the lowest register address in virtual range. 467 * @range_max: Address of the highest register in virtual range. 468 * 469 * @selector_reg: Register with selector field. 470 * @selector_mask: Bit mask for selector value. 471 * @selector_shift: Bit shift for selector value. 472 * 473 * @window_start: Address of first (lowest) register in data window. 474 * @window_len: Number of registers in data window. 475 * 476 * Registers, mapped to this virtual range, are accessed in two steps: 477 * 1. page selector register update; 478 * 2. access through data window registers. 479 */ 480 struct regmap_range_cfg { 481 const char *name; 482 483 /* Registers of virtual address range */ 484 unsigned int range_min; 485 unsigned int range_max; 486 487 /* Page selector for indirect addressing */ 488 unsigned int selector_reg; 489 unsigned int selector_mask; 490 int selector_shift; 491 492 /* Data window (per each page) */ 493 unsigned int window_start; 494 unsigned int window_len; 495 }; 496 497 struct regmap_async; 498 499 typedef int (*regmap_hw_write)(void *context, const void *data, 500 size_t count); 501 typedef int (*regmap_hw_gather_write)(void *context, 502 const void *reg, size_t reg_len, 503 const void *val, size_t val_len); 504 typedef int (*regmap_hw_async_write)(void *context, 505 const void *reg, size_t reg_len, 506 const void *val, size_t val_len, 507 struct regmap_async *async); 508 typedef int (*regmap_hw_read)(void *context, 509 const void *reg_buf, size_t reg_size, 510 void *val_buf, size_t val_size); 511 typedef int (*regmap_hw_reg_read)(void *context, unsigned int reg, 512 unsigned int *val); 513 typedef int (*regmap_hw_reg_noinc_read)(void *context, unsigned int reg, 514 void *val, size_t val_count); 515 typedef int (*regmap_hw_reg_write)(void *context, unsigned int reg, 516 unsigned int val); 517 typedef int (*regmap_hw_reg_noinc_write)(void *context, unsigned int reg, 518 const void *val, size_t val_count); 519 typedef int (*regmap_hw_reg_update_bits)(void *context, unsigned int reg, 520 unsigned int mask, unsigned int val); 521 typedef struct regmap_async *(*regmap_hw_async_alloc)(void); 522 typedef void (*regmap_hw_free_context)(void *context); 523 524 /** 525 * struct regmap_bus - Description of a hardware bus for the register map 526 * infrastructure. 527 * 528 * @fast_io: Register IO is fast. Use a spinlock instead of a mutex 529 * to perform locking. This field is ignored if custom lock/unlock 530 * functions are used (see fields lock/unlock of 531 * struct regmap_config). 532 * @free_on_exit: kfree this on exit of regmap 533 * @write: Write operation. 534 * @gather_write: Write operation with split register/value, return -ENOTSUPP 535 * if not implemented on a given device. 536 * @async_write: Write operation which completes asynchronously, optional and 537 * must serialise with respect to non-async I/O. 538 * @reg_write: Write a single register value to the given register address. This 539 * write operation has to complete when returning from the function. 540 * @reg_write_noinc: Write multiple register value to the same register. This 541 * write operation has to complete when returning from the function. 542 * @reg_update_bits: Update bits operation to be used against volatile 543 * registers, intended for devices supporting some mechanism 544 * for setting clearing bits without having to 545 * read/modify/write. 546 * @read: Read operation. Data is returned in the buffer used to transmit 547 * data. 548 * @reg_read: Read a single register value from a given register address. 549 * @free_context: Free context. 550 * @async_alloc: Allocate a regmap_async() structure. 551 * @read_flag_mask: Mask to be set in the top byte of the register when doing 552 * a read. 553 * @reg_format_endian_default: Default endianness for formatted register 554 * addresses. Used when the regmap_config specifies DEFAULT. If this is 555 * DEFAULT, BIG is assumed. 556 * @val_format_endian_default: Default endianness for formatted register 557 * values. Used when the regmap_config specifies DEFAULT. If this is 558 * DEFAULT, BIG is assumed. 559 * @max_raw_read: Max raw read size that can be used on the bus. 560 * @max_raw_write: Max raw write size that can be used on the bus. 561 */ 562 struct regmap_bus { 563 bool fast_io; 564 bool free_on_exit; 565 regmap_hw_write write; 566 regmap_hw_gather_write gather_write; 567 regmap_hw_async_write async_write; 568 regmap_hw_reg_write reg_write; 569 regmap_hw_reg_noinc_write reg_noinc_write; 570 regmap_hw_reg_update_bits reg_update_bits; 571 regmap_hw_read read; 572 regmap_hw_reg_read reg_read; 573 regmap_hw_reg_noinc_read reg_noinc_read; 574 regmap_hw_free_context free_context; 575 regmap_hw_async_alloc async_alloc; 576 u8 read_flag_mask; 577 enum regmap_endian reg_format_endian_default; 578 enum regmap_endian val_format_endian_default; 579 size_t max_raw_read; 580 size_t max_raw_write; 581 }; 582 583 /* 584 * __regmap_init functions. 585 * 586 * These functions take a lock key and name parameter, and should not be called 587 * directly. Instead, use the regmap_init macros that generate a key and name 588 * for each call. 589 */ 590 struct regmap *__regmap_init(struct device *dev, 591 const struct regmap_bus *bus, 592 void *bus_context, 593 const struct regmap_config *config, 594 struct lock_class_key *lock_key, 595 const char *lock_name); 596 struct regmap *__regmap_init_i2c(struct i2c_client *i2c, 597 const struct regmap_config *config, 598 struct lock_class_key *lock_key, 599 const char *lock_name); 600 struct regmap *__regmap_init_mdio(struct mdio_device *mdio_dev, 601 const struct regmap_config *config, 602 struct lock_class_key *lock_key, 603 const char *lock_name); 604 struct regmap *__regmap_init_sccb(struct i2c_client *i2c, 605 const struct regmap_config *config, 606 struct lock_class_key *lock_key, 607 const char *lock_name); 608 struct regmap *__regmap_init_slimbus(struct slim_device *slimbus, 609 const struct regmap_config *config, 610 struct lock_class_key *lock_key, 611 const char *lock_name); 612 struct regmap *__regmap_init_spi(struct spi_device *dev, 613 const struct regmap_config *config, 614 struct lock_class_key *lock_key, 615 const char *lock_name); 616 struct regmap *__regmap_init_spmi_base(struct spmi_device *dev, 617 const struct regmap_config *config, 618 struct lock_class_key *lock_key, 619 const char *lock_name); 620 struct regmap *__regmap_init_spmi_ext(struct spmi_device *dev, 621 const struct regmap_config *config, 622 struct lock_class_key *lock_key, 623 const char *lock_name); 624 struct regmap *__regmap_init_w1(struct device *w1_dev, 625 const struct regmap_config *config, 626 struct lock_class_key *lock_key, 627 const char *lock_name); 628 struct regmap *__regmap_init_mmio_clk(struct device *dev, const char *clk_id, 629 void __iomem *regs, 630 const struct regmap_config *config, 631 struct lock_class_key *lock_key, 632 const char *lock_name); 633 struct regmap *__regmap_init_ac97(struct snd_ac97 *ac97, 634 const struct regmap_config *config, 635 struct lock_class_key *lock_key, 636 const char *lock_name); 637 struct regmap *__regmap_init_sdw(struct sdw_slave *sdw, 638 const struct regmap_config *config, 639 struct lock_class_key *lock_key, 640 const char *lock_name); 641 struct regmap *__regmap_init_sdw_mbq(struct sdw_slave *sdw, 642 const struct regmap_config *config, 643 struct lock_class_key *lock_key, 644 const char *lock_name); 645 struct regmap *__regmap_init_spi_avmm(struct spi_device *spi, 646 const struct regmap_config *config, 647 struct lock_class_key *lock_key, 648 const char *lock_name); 649 struct regmap *__regmap_init_fsi(struct fsi_device *fsi_dev, 650 const struct regmap_config *config, 651 struct lock_class_key *lock_key, 652 const char *lock_name); 653 654 struct regmap *__devm_regmap_init(struct device *dev, 655 const struct regmap_bus *bus, 656 void *bus_context, 657 const struct regmap_config *config, 658 struct lock_class_key *lock_key, 659 const char *lock_name); 660 struct regmap *__devm_regmap_init_i2c(struct i2c_client *i2c, 661 const struct regmap_config *config, 662 struct lock_class_key *lock_key, 663 const char *lock_name); 664 struct regmap *__devm_regmap_init_mdio(struct mdio_device *mdio_dev, 665 const struct regmap_config *config, 666 struct lock_class_key *lock_key, 667 const char *lock_name); 668 struct regmap *__devm_regmap_init_sccb(struct i2c_client *i2c, 669 const struct regmap_config *config, 670 struct lock_class_key *lock_key, 671 const char *lock_name); 672 struct regmap *__devm_regmap_init_spi(struct spi_device *dev, 673 const struct regmap_config *config, 674 struct lock_class_key *lock_key, 675 const char *lock_name); 676 struct regmap *__devm_regmap_init_spmi_base(struct spmi_device *dev, 677 const struct regmap_config *config, 678 struct lock_class_key *lock_key, 679 const char *lock_name); 680 struct regmap *__devm_regmap_init_spmi_ext(struct spmi_device *dev, 681 const struct regmap_config *config, 682 struct lock_class_key *lock_key, 683 const char *lock_name); 684 struct regmap *__devm_regmap_init_w1(struct device *w1_dev, 685 const struct regmap_config *config, 686 struct lock_class_key *lock_key, 687 const char *lock_name); 688 struct regmap *__devm_regmap_init_mmio_clk(struct device *dev, 689 const char *clk_id, 690 void __iomem *regs, 691 const struct regmap_config *config, 692 struct lock_class_key *lock_key, 693 const char *lock_name); 694 struct regmap *__devm_regmap_init_ac97(struct snd_ac97 *ac97, 695 const struct regmap_config *config, 696 struct lock_class_key *lock_key, 697 const char *lock_name); 698 struct regmap *__devm_regmap_init_sdw(struct sdw_slave *sdw, 699 const struct regmap_config *config, 700 struct lock_class_key *lock_key, 701 const char *lock_name); 702 struct regmap *__devm_regmap_init_sdw_mbq(struct sdw_slave *sdw, 703 const struct regmap_config *config, 704 struct lock_class_key *lock_key, 705 const char *lock_name); 706 struct regmap *__devm_regmap_init_slimbus(struct slim_device *slimbus, 707 const struct regmap_config *config, 708 struct lock_class_key *lock_key, 709 const char *lock_name); 710 struct regmap *__devm_regmap_init_i3c(struct i3c_device *i3c, 711 const struct regmap_config *config, 712 struct lock_class_key *lock_key, 713 const char *lock_name); 714 struct regmap *__devm_regmap_init_spi_avmm(struct spi_device *spi, 715 const struct regmap_config *config, 716 struct lock_class_key *lock_key, 717 const char *lock_name); 718 struct regmap *__devm_regmap_init_fsi(struct fsi_device *fsi_dev, 719 const struct regmap_config *config, 720 struct lock_class_key *lock_key, 721 const char *lock_name); 722 723 /* 724 * Wrapper for regmap_init macros to include a unique lockdep key and name 725 * for each call. No-op if CONFIG_LOCKDEP is not set. 726 * 727 * @fn: Real function to call (in the form __[*_]regmap_init[_*]) 728 * @name: Config variable name (#config in the calling macro) 729 **/ 730 #ifdef CONFIG_LOCKDEP 731 #define __regmap_lockdep_wrapper(fn, name, ...) \ 732 ( \ 733 ({ \ 734 static struct lock_class_key _key; \ 735 fn(__VA_ARGS__, &_key, \ 736 KBUILD_BASENAME ":" \ 737 __stringify(__LINE__) ":" \ 738 "(" name ")->lock"); \ 739 }) \ 740 ) 741 #else 742 #define __regmap_lockdep_wrapper(fn, name, ...) fn(__VA_ARGS__, NULL, NULL) 743 #endif 744 745 /** 746 * regmap_init() - Initialise register map 747 * 748 * @dev: Device that will be interacted with 749 * @bus: Bus-specific callbacks to use with device 750 * @bus_context: Data passed to bus-specific callbacks 751 * @config: Configuration for register map 752 * 753 * The return value will be an ERR_PTR() on error or a valid pointer to 754 * a struct regmap. This function should generally not be called 755 * directly, it should be called by bus-specific init functions. 756 */ 757 #define regmap_init(dev, bus, bus_context, config) \ 758 __regmap_lockdep_wrapper(__regmap_init, #config, \ 759 dev, bus, bus_context, config) 760 int regmap_attach_dev(struct device *dev, struct regmap *map, 761 const struct regmap_config *config); 762 763 /** 764 * regmap_init_i2c() - Initialise register map 765 * 766 * @i2c: Device that will be interacted with 767 * @config: Configuration for register map 768 * 769 * The return value will be an ERR_PTR() on error or a valid pointer to 770 * a struct regmap. 771 */ 772 #define regmap_init_i2c(i2c, config) \ 773 __regmap_lockdep_wrapper(__regmap_init_i2c, #config, \ 774 i2c, config) 775 776 /** 777 * regmap_init_mdio() - Initialise register map 778 * 779 * @mdio_dev: Device that will be interacted with 780 * @config: Configuration for register map 781 * 782 * The return value will be an ERR_PTR() on error or a valid pointer to 783 * a struct regmap. 784 */ 785 #define regmap_init_mdio(mdio_dev, config) \ 786 __regmap_lockdep_wrapper(__regmap_init_mdio, #config, \ 787 mdio_dev, config) 788 789 /** 790 * regmap_init_sccb() - Initialise register map 791 * 792 * @i2c: Device that will be interacted with 793 * @config: Configuration for register map 794 * 795 * The return value will be an ERR_PTR() on error or a valid pointer to 796 * a struct regmap. 797 */ 798 #define regmap_init_sccb(i2c, config) \ 799 __regmap_lockdep_wrapper(__regmap_init_sccb, #config, \ 800 i2c, config) 801 802 /** 803 * regmap_init_slimbus() - Initialise register map 804 * 805 * @slimbus: Device that will be interacted with 806 * @config: Configuration for register map 807 * 808 * The return value will be an ERR_PTR() on error or a valid pointer to 809 * a struct regmap. 810 */ 811 #define regmap_init_slimbus(slimbus, config) \ 812 __regmap_lockdep_wrapper(__regmap_init_slimbus, #config, \ 813 slimbus, config) 814 815 /** 816 * regmap_init_spi() - Initialise register map 817 * 818 * @dev: Device that will be interacted with 819 * @config: Configuration for register map 820 * 821 * The return value will be an ERR_PTR() on error or a valid pointer to 822 * a struct regmap. 823 */ 824 #define regmap_init_spi(dev, config) \ 825 __regmap_lockdep_wrapper(__regmap_init_spi, #config, \ 826 dev, config) 827 828 /** 829 * regmap_init_spmi_base() - Create regmap for the Base register space 830 * 831 * @dev: SPMI device that will be interacted with 832 * @config: Configuration for register map 833 * 834 * The return value will be an ERR_PTR() on error or a valid pointer to 835 * a struct regmap. 836 */ 837 #define regmap_init_spmi_base(dev, config) \ 838 __regmap_lockdep_wrapper(__regmap_init_spmi_base, #config, \ 839 dev, config) 840 841 /** 842 * regmap_init_spmi_ext() - Create regmap for Ext register space 843 * 844 * @dev: Device that will be interacted with 845 * @config: Configuration for register map 846 * 847 * The return value will be an ERR_PTR() on error or a valid pointer to 848 * a struct regmap. 849 */ 850 #define regmap_init_spmi_ext(dev, config) \ 851 __regmap_lockdep_wrapper(__regmap_init_spmi_ext, #config, \ 852 dev, config) 853 854 /** 855 * regmap_init_w1() - Initialise register map 856 * 857 * @w1_dev: Device that will be interacted with 858 * @config: Configuration for register map 859 * 860 * The return value will be an ERR_PTR() on error or a valid pointer to 861 * a struct regmap. 862 */ 863 #define regmap_init_w1(w1_dev, config) \ 864 __regmap_lockdep_wrapper(__regmap_init_w1, #config, \ 865 w1_dev, config) 866 867 /** 868 * regmap_init_mmio_clk() - Initialise register map with register clock 869 * 870 * @dev: Device that will be interacted with 871 * @clk_id: register clock consumer ID 872 * @regs: Pointer to memory-mapped IO region 873 * @config: Configuration for register map 874 * 875 * The return value will be an ERR_PTR() on error or a valid pointer to 876 * a struct regmap. 877 */ 878 #define regmap_init_mmio_clk(dev, clk_id, regs, config) \ 879 __regmap_lockdep_wrapper(__regmap_init_mmio_clk, #config, \ 880 dev, clk_id, regs, config) 881 882 /** 883 * regmap_init_mmio() - Initialise register map 884 * 885 * @dev: Device that will be interacted with 886 * @regs: Pointer to memory-mapped IO region 887 * @config: Configuration for register map 888 * 889 * The return value will be an ERR_PTR() on error or a valid pointer to 890 * a struct regmap. 891 */ 892 #define regmap_init_mmio(dev, regs, config) \ 893 regmap_init_mmio_clk(dev, NULL, regs, config) 894 895 /** 896 * regmap_init_ac97() - Initialise AC'97 register map 897 * 898 * @ac97: Device that will be interacted with 899 * @config: Configuration for register map 900 * 901 * The return value will be an ERR_PTR() on error or a valid pointer to 902 * a struct regmap. 903 */ 904 #define regmap_init_ac97(ac97, config) \ 905 __regmap_lockdep_wrapper(__regmap_init_ac97, #config, \ 906 ac97, config) 907 bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg); 908 909 /** 910 * regmap_init_sdw() - Initialise register map 911 * 912 * @sdw: Device that will be interacted with 913 * @config: Configuration for register map 914 * 915 * The return value will be an ERR_PTR() on error or a valid pointer to 916 * a struct regmap. 917 */ 918 #define regmap_init_sdw(sdw, config) \ 919 __regmap_lockdep_wrapper(__regmap_init_sdw, #config, \ 920 sdw, config) 921 922 /** 923 * regmap_init_sdw_mbq() - Initialise register map 924 * 925 * @sdw: Device that will be interacted with 926 * @config: Configuration for register map 927 * 928 * The return value will be an ERR_PTR() on error or a valid pointer to 929 * a struct regmap. 930 */ 931 #define regmap_init_sdw_mbq(sdw, config) \ 932 __regmap_lockdep_wrapper(__regmap_init_sdw_mbq, #config, \ 933 sdw, config) 934 935 /** 936 * regmap_init_spi_avmm() - Initialize register map for Intel SPI Slave 937 * to AVMM Bus Bridge 938 * 939 * @spi: Device that will be interacted with 940 * @config: Configuration for register map 941 * 942 * The return value will be an ERR_PTR() on error or a valid pointer 943 * to a struct regmap. 944 */ 945 #define regmap_init_spi_avmm(spi, config) \ 946 __regmap_lockdep_wrapper(__regmap_init_spi_avmm, #config, \ 947 spi, config) 948 949 /** 950 * regmap_init_fsi() - Initialise register map 951 * 952 * @fsi_dev: Device that will be interacted with 953 * @config: Configuration for register map 954 * 955 * The return value will be an ERR_PTR() on error or a valid pointer to 956 * a struct regmap. 957 */ 958 #define regmap_init_fsi(fsi_dev, config) \ 959 __regmap_lockdep_wrapper(__regmap_init_fsi, #config, fsi_dev, \ 960 config) 961 962 /** 963 * devm_regmap_init() - Initialise managed register map 964 * 965 * @dev: Device that will be interacted with 966 * @bus: Bus-specific callbacks to use with device 967 * @bus_context: Data passed to bus-specific callbacks 968 * @config: Configuration for register map 969 * 970 * The return value will be an ERR_PTR() on error or a valid pointer 971 * to a struct regmap. This function should generally not be called 972 * directly, it should be called by bus-specific init functions. The 973 * map will be automatically freed by the device management code. 974 */ 975 #define devm_regmap_init(dev, bus, bus_context, config) \ 976 __regmap_lockdep_wrapper(__devm_regmap_init, #config, \ 977 dev, bus, bus_context, config) 978 979 /** 980 * devm_regmap_init_i2c() - Initialise managed register map 981 * 982 * @i2c: Device that will be interacted with 983 * @config: Configuration for register map 984 * 985 * The return value will be an ERR_PTR() on error or a valid pointer 986 * to a struct regmap. The regmap will be automatically freed by the 987 * device management code. 988 */ 989 #define devm_regmap_init_i2c(i2c, config) \ 990 __regmap_lockdep_wrapper(__devm_regmap_init_i2c, #config, \ 991 i2c, config) 992 993 /** 994 * devm_regmap_init_mdio() - Initialise managed register map 995 * 996 * @mdio_dev: Device that will be interacted with 997 * @config: Configuration for register map 998 * 999 * The return value will be an ERR_PTR() on error or a valid pointer 1000 * to a struct regmap. The regmap will be automatically freed by the 1001 * device management code. 1002 */ 1003 #define devm_regmap_init_mdio(mdio_dev, config) \ 1004 __regmap_lockdep_wrapper(__devm_regmap_init_mdio, #config, \ 1005 mdio_dev, config) 1006 1007 /** 1008 * devm_regmap_init_sccb() - Initialise managed register map 1009 * 1010 * @i2c: Device that will be interacted with 1011 * @config: Configuration for register map 1012 * 1013 * The return value will be an ERR_PTR() on error or a valid pointer 1014 * to a struct regmap. The regmap will be automatically freed by the 1015 * device management code. 1016 */ 1017 #define devm_regmap_init_sccb(i2c, config) \ 1018 __regmap_lockdep_wrapper(__devm_regmap_init_sccb, #config, \ 1019 i2c, config) 1020 1021 /** 1022 * devm_regmap_init_spi() - Initialise register map 1023 * 1024 * @dev: Device that will be interacted with 1025 * @config: Configuration for register map 1026 * 1027 * The return value will be an ERR_PTR() on error or a valid pointer 1028 * to a struct regmap. The map will be automatically freed by the 1029 * device management code. 1030 */ 1031 #define devm_regmap_init_spi(dev, config) \ 1032 __regmap_lockdep_wrapper(__devm_regmap_init_spi, #config, \ 1033 dev, config) 1034 1035 /** 1036 * devm_regmap_init_spmi_base() - Create managed regmap for Base register space 1037 * 1038 * @dev: SPMI device that will be interacted with 1039 * @config: Configuration for register map 1040 * 1041 * The return value will be an ERR_PTR() on error or a valid pointer 1042 * to a struct regmap. The regmap will be automatically freed by the 1043 * device management code. 1044 */ 1045 #define devm_regmap_init_spmi_base(dev, config) \ 1046 __regmap_lockdep_wrapper(__devm_regmap_init_spmi_base, #config, \ 1047 dev, config) 1048 1049 /** 1050 * devm_regmap_init_spmi_ext() - Create managed regmap for Ext register space 1051 * 1052 * @dev: SPMI device that will be interacted with 1053 * @config: Configuration for register map 1054 * 1055 * The return value will be an ERR_PTR() on error or a valid pointer 1056 * to a struct regmap. The regmap will be automatically freed by the 1057 * device management code. 1058 */ 1059 #define devm_regmap_init_spmi_ext(dev, config) \ 1060 __regmap_lockdep_wrapper(__devm_regmap_init_spmi_ext, #config, \ 1061 dev, config) 1062 1063 /** 1064 * devm_regmap_init_w1() - Initialise managed register map 1065 * 1066 * @w1_dev: Device that will be interacted with 1067 * @config: Configuration for register map 1068 * 1069 * The return value will be an ERR_PTR() on error or a valid pointer 1070 * to a struct regmap. The regmap will be automatically freed by the 1071 * device management code. 1072 */ 1073 #define devm_regmap_init_w1(w1_dev, config) \ 1074 __regmap_lockdep_wrapper(__devm_regmap_init_w1, #config, \ 1075 w1_dev, config) 1076 /** 1077 * devm_regmap_init_mmio_clk() - Initialise managed register map with clock 1078 * 1079 * @dev: Device that will be interacted with 1080 * @clk_id: register clock consumer ID 1081 * @regs: Pointer to memory-mapped IO region 1082 * @config: Configuration for register map 1083 * 1084 * The return value will be an ERR_PTR() on error or a valid pointer 1085 * to a struct regmap. The regmap will be automatically freed by the 1086 * device management code. 1087 */ 1088 #define devm_regmap_init_mmio_clk(dev, clk_id, regs, config) \ 1089 __regmap_lockdep_wrapper(__devm_regmap_init_mmio_clk, #config, \ 1090 dev, clk_id, regs, config) 1091 1092 /** 1093 * devm_regmap_init_mmio() - Initialise managed register map 1094 * 1095 * @dev: Device that will be interacted with 1096 * @regs: Pointer to memory-mapped IO region 1097 * @config: Configuration for register map 1098 * 1099 * The return value will be an ERR_PTR() on error or a valid pointer 1100 * to a struct regmap. The regmap will be automatically freed by the 1101 * device management code. 1102 */ 1103 #define devm_regmap_init_mmio(dev, regs, config) \ 1104 devm_regmap_init_mmio_clk(dev, NULL, regs, config) 1105 1106 /** 1107 * devm_regmap_init_ac97() - Initialise AC'97 register map 1108 * 1109 * @ac97: Device that will be interacted with 1110 * @config: Configuration for register map 1111 * 1112 * The return value will be an ERR_PTR() on error or a valid pointer 1113 * to a struct regmap. The regmap will be automatically freed by the 1114 * device management code. 1115 */ 1116 #define devm_regmap_init_ac97(ac97, config) \ 1117 __regmap_lockdep_wrapper(__devm_regmap_init_ac97, #config, \ 1118 ac97, config) 1119 1120 /** 1121 * devm_regmap_init_sdw() - Initialise managed register map 1122 * 1123 * @sdw: Device that will be interacted with 1124 * @config: Configuration for register map 1125 * 1126 * The return value will be an ERR_PTR() on error or a valid pointer 1127 * to a struct regmap. The regmap will be automatically freed by the 1128 * device management code. 1129 */ 1130 #define devm_regmap_init_sdw(sdw, config) \ 1131 __regmap_lockdep_wrapper(__devm_regmap_init_sdw, #config, \ 1132 sdw, config) 1133 1134 /** 1135 * devm_regmap_init_sdw_mbq() - Initialise managed register map 1136 * 1137 * @sdw: Device that will be interacted with 1138 * @config: Configuration for register map 1139 * 1140 * The return value will be an ERR_PTR() on error or a valid pointer 1141 * to a struct regmap. The regmap will be automatically freed by the 1142 * device management code. 1143 */ 1144 #define devm_regmap_init_sdw_mbq(sdw, config) \ 1145 __regmap_lockdep_wrapper(__devm_regmap_init_sdw_mbq, #config, \ 1146 sdw, config) 1147 1148 /** 1149 * devm_regmap_init_slimbus() - Initialise managed register map 1150 * 1151 * @slimbus: Device that will be interacted with 1152 * @config: Configuration for register map 1153 * 1154 * The return value will be an ERR_PTR() on error or a valid pointer 1155 * to a struct regmap. The regmap will be automatically freed by the 1156 * device management code. 1157 */ 1158 #define devm_regmap_init_slimbus(slimbus, config) \ 1159 __regmap_lockdep_wrapper(__devm_regmap_init_slimbus, #config, \ 1160 slimbus, config) 1161 1162 /** 1163 * devm_regmap_init_i3c() - Initialise managed register map 1164 * 1165 * @i3c: Device that will be interacted with 1166 * @config: Configuration for register map 1167 * 1168 * The return value will be an ERR_PTR() on error or a valid pointer 1169 * to a struct regmap. The regmap will be automatically freed by the 1170 * device management code. 1171 */ 1172 #define devm_regmap_init_i3c(i3c, config) \ 1173 __regmap_lockdep_wrapper(__devm_regmap_init_i3c, #config, \ 1174 i3c, config) 1175 1176 /** 1177 * devm_regmap_init_spi_avmm() - Initialize register map for Intel SPI Slave 1178 * to AVMM Bus Bridge 1179 * 1180 * @spi: Device that will be interacted with 1181 * @config: Configuration for register map 1182 * 1183 * The return value will be an ERR_PTR() on error or a valid pointer 1184 * to a struct regmap. The map will be automatically freed by the 1185 * device management code. 1186 */ 1187 #define devm_regmap_init_spi_avmm(spi, config) \ 1188 __regmap_lockdep_wrapper(__devm_regmap_init_spi_avmm, #config, \ 1189 spi, config) 1190 1191 /** 1192 * devm_regmap_init_fsi() - Initialise managed register map 1193 * 1194 * @fsi_dev: Device that will be interacted with 1195 * @config: Configuration for register map 1196 * 1197 * The return value will be an ERR_PTR() on error or a valid pointer 1198 * to a struct regmap. The regmap will be automatically freed by the 1199 * device management code. 1200 */ 1201 #define devm_regmap_init_fsi(fsi_dev, config) \ 1202 __regmap_lockdep_wrapper(__devm_regmap_init_fsi, #config, \ 1203 fsi_dev, config) 1204 1205 int regmap_mmio_attach_clk(struct regmap *map, struct clk *clk); 1206 void regmap_mmio_detach_clk(struct regmap *map); 1207 void regmap_exit(struct regmap *map); 1208 int regmap_reinit_cache(struct regmap *map, 1209 const struct regmap_config *config); 1210 struct regmap *dev_get_regmap(struct device *dev, const char *name); 1211 struct device *regmap_get_device(struct regmap *map); 1212 int regmap_write(struct regmap *map, unsigned int reg, unsigned int val); 1213 int regmap_write_async(struct regmap *map, unsigned int reg, unsigned int val); 1214 int regmap_raw_write(struct regmap *map, unsigned int reg, 1215 const void *val, size_t val_len); 1216 int regmap_noinc_write(struct regmap *map, unsigned int reg, 1217 const void *val, size_t val_len); 1218 int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val, 1219 size_t val_count); 1220 int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs, 1221 int num_regs); 1222 int regmap_multi_reg_write_bypassed(struct regmap *map, 1223 const struct reg_sequence *regs, 1224 int num_regs); 1225 int regmap_raw_write_async(struct regmap *map, unsigned int reg, 1226 const void *val, size_t val_len); 1227 int regmap_read(struct regmap *map, unsigned int reg, unsigned int *val); 1228 int regmap_raw_read(struct regmap *map, unsigned int reg, 1229 void *val, size_t val_len); 1230 int regmap_noinc_read(struct regmap *map, unsigned int reg, 1231 void *val, size_t val_len); 1232 int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val, 1233 size_t val_count); 1234 int regmap_update_bits_base(struct regmap *map, unsigned int reg, 1235 unsigned int mask, unsigned int val, 1236 bool *change, bool async, bool force); 1237 1238 static inline int regmap_update_bits(struct regmap *map, unsigned int reg, 1239 unsigned int mask, unsigned int val) 1240 { 1241 return regmap_update_bits_base(map, reg, mask, val, NULL, false, false); 1242 } 1243 1244 static inline int regmap_update_bits_async(struct regmap *map, unsigned int reg, 1245 unsigned int mask, unsigned int val) 1246 { 1247 return regmap_update_bits_base(map, reg, mask, val, NULL, true, false); 1248 } 1249 1250 static inline int regmap_update_bits_check(struct regmap *map, unsigned int reg, 1251 unsigned int mask, unsigned int val, 1252 bool *change) 1253 { 1254 return regmap_update_bits_base(map, reg, mask, val, 1255 change, false, false); 1256 } 1257 1258 static inline int 1259 regmap_update_bits_check_async(struct regmap *map, unsigned int reg, 1260 unsigned int mask, unsigned int val, 1261 bool *change) 1262 { 1263 return regmap_update_bits_base(map, reg, mask, val, 1264 change, true, false); 1265 } 1266 1267 static inline int regmap_write_bits(struct regmap *map, unsigned int reg, 1268 unsigned int mask, unsigned int val) 1269 { 1270 return regmap_update_bits_base(map, reg, mask, val, NULL, false, true); 1271 } 1272 1273 int regmap_get_val_bytes(struct regmap *map); 1274 int regmap_get_max_register(struct regmap *map); 1275 int regmap_get_reg_stride(struct regmap *map); 1276 bool regmap_might_sleep(struct regmap *map); 1277 int regmap_async_complete(struct regmap *map); 1278 bool regmap_can_raw_write(struct regmap *map); 1279 size_t regmap_get_raw_read_max(struct regmap *map); 1280 size_t regmap_get_raw_write_max(struct regmap *map); 1281 1282 int regcache_sync(struct regmap *map); 1283 int regcache_sync_region(struct regmap *map, unsigned int min, 1284 unsigned int max); 1285 int regcache_drop_region(struct regmap *map, unsigned int min, 1286 unsigned int max); 1287 void regcache_cache_only(struct regmap *map, bool enable); 1288 void regcache_cache_bypass(struct regmap *map, bool enable); 1289 void regcache_mark_dirty(struct regmap *map); 1290 1291 bool regmap_check_range_table(struct regmap *map, unsigned int reg, 1292 const struct regmap_access_table *table); 1293 1294 int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs, 1295 int num_regs); 1296 int regmap_parse_val(struct regmap *map, const void *buf, 1297 unsigned int *val); 1298 1299 static inline bool regmap_reg_in_range(unsigned int reg, 1300 const struct regmap_range *range) 1301 { 1302 return reg >= range->range_min && reg <= range->range_max; 1303 } 1304 1305 bool regmap_reg_in_ranges(unsigned int reg, 1306 const struct regmap_range *ranges, 1307 unsigned int nranges); 1308 1309 static inline int regmap_set_bits(struct regmap *map, 1310 unsigned int reg, unsigned int bits) 1311 { 1312 return regmap_update_bits_base(map, reg, bits, bits, 1313 NULL, false, false); 1314 } 1315 1316 static inline int regmap_clear_bits(struct regmap *map, 1317 unsigned int reg, unsigned int bits) 1318 { 1319 return regmap_update_bits_base(map, reg, bits, 0, NULL, false, false); 1320 } 1321 1322 int regmap_test_bits(struct regmap *map, unsigned int reg, unsigned int bits); 1323 1324 /** 1325 * struct reg_field - Description of an register field 1326 * 1327 * @reg: Offset of the register within the regmap bank 1328 * @lsb: lsb of the register field. 1329 * @msb: msb of the register field. 1330 * @id_size: port size if it has some ports 1331 * @id_offset: address offset for each ports 1332 */ 1333 struct reg_field { 1334 unsigned int reg; 1335 unsigned int lsb; 1336 unsigned int msb; 1337 unsigned int id_size; 1338 unsigned int id_offset; 1339 }; 1340 1341 #define REG_FIELD(_reg, _lsb, _msb) { \ 1342 .reg = _reg, \ 1343 .lsb = _lsb, \ 1344 .msb = _msb, \ 1345 } 1346 1347 #define REG_FIELD_ID(_reg, _lsb, _msb, _size, _offset) { \ 1348 .reg = _reg, \ 1349 .lsb = _lsb, \ 1350 .msb = _msb, \ 1351 .id_size = _size, \ 1352 .id_offset = _offset, \ 1353 } 1354 1355 struct regmap_field *regmap_field_alloc(struct regmap *regmap, 1356 struct reg_field reg_field); 1357 void regmap_field_free(struct regmap_field *field); 1358 1359 struct regmap_field *devm_regmap_field_alloc(struct device *dev, 1360 struct regmap *regmap, struct reg_field reg_field); 1361 void devm_regmap_field_free(struct device *dev, struct regmap_field *field); 1362 1363 int regmap_field_bulk_alloc(struct regmap *regmap, 1364 struct regmap_field **rm_field, 1365 const struct reg_field *reg_field, 1366 int num_fields); 1367 void regmap_field_bulk_free(struct regmap_field *field); 1368 int devm_regmap_field_bulk_alloc(struct device *dev, struct regmap *regmap, 1369 struct regmap_field **field, 1370 const struct reg_field *reg_field, 1371 int num_fields); 1372 void devm_regmap_field_bulk_free(struct device *dev, 1373 struct regmap_field *field); 1374 1375 int regmap_field_read(struct regmap_field *field, unsigned int *val); 1376 int regmap_field_update_bits_base(struct regmap_field *field, 1377 unsigned int mask, unsigned int val, 1378 bool *change, bool async, bool force); 1379 int regmap_fields_read(struct regmap_field *field, unsigned int id, 1380 unsigned int *val); 1381 int regmap_fields_update_bits_base(struct regmap_field *field, unsigned int id, 1382 unsigned int mask, unsigned int val, 1383 bool *change, bool async, bool force); 1384 1385 static inline int regmap_field_write(struct regmap_field *field, 1386 unsigned int val) 1387 { 1388 return regmap_field_update_bits_base(field, ~0, val, 1389 NULL, false, false); 1390 } 1391 1392 static inline int regmap_field_force_write(struct regmap_field *field, 1393 unsigned int val) 1394 { 1395 return regmap_field_update_bits_base(field, ~0, val, NULL, false, true); 1396 } 1397 1398 static inline int regmap_field_update_bits(struct regmap_field *field, 1399 unsigned int mask, unsigned int val) 1400 { 1401 return regmap_field_update_bits_base(field, mask, val, 1402 NULL, false, false); 1403 } 1404 1405 static inline int regmap_field_set_bits(struct regmap_field *field, 1406 unsigned int bits) 1407 { 1408 return regmap_field_update_bits_base(field, bits, bits, NULL, false, 1409 false); 1410 } 1411 1412 static inline int regmap_field_clear_bits(struct regmap_field *field, 1413 unsigned int bits) 1414 { 1415 return regmap_field_update_bits_base(field, bits, 0, NULL, false, 1416 false); 1417 } 1418 1419 int regmap_field_test_bits(struct regmap_field *field, unsigned int bits); 1420 1421 static inline int 1422 regmap_field_force_update_bits(struct regmap_field *field, 1423 unsigned int mask, unsigned int val) 1424 { 1425 return regmap_field_update_bits_base(field, mask, val, 1426 NULL, false, true); 1427 } 1428 1429 static inline int regmap_fields_write(struct regmap_field *field, 1430 unsigned int id, unsigned int val) 1431 { 1432 return regmap_fields_update_bits_base(field, id, ~0, val, 1433 NULL, false, false); 1434 } 1435 1436 static inline int regmap_fields_force_write(struct regmap_field *field, 1437 unsigned int id, unsigned int val) 1438 { 1439 return regmap_fields_update_bits_base(field, id, ~0, val, 1440 NULL, false, true); 1441 } 1442 1443 static inline int 1444 regmap_fields_update_bits(struct regmap_field *field, unsigned int id, 1445 unsigned int mask, unsigned int val) 1446 { 1447 return regmap_fields_update_bits_base(field, id, mask, val, 1448 NULL, false, false); 1449 } 1450 1451 static inline int 1452 regmap_fields_force_update_bits(struct regmap_field *field, unsigned int id, 1453 unsigned int mask, unsigned int val) 1454 { 1455 return regmap_fields_update_bits_base(field, id, mask, val, 1456 NULL, false, true); 1457 } 1458 1459 /** 1460 * struct regmap_irq_type - IRQ type definitions. 1461 * 1462 * @type_reg_offset: Offset register for the irq type setting. 1463 * @type_rising_val: Register value to configure RISING type irq. 1464 * @type_falling_val: Register value to configure FALLING type irq. 1465 * @type_level_low_val: Register value to configure LEVEL_LOW type irq. 1466 * @type_level_high_val: Register value to configure LEVEL_HIGH type irq. 1467 * @types_supported: logical OR of IRQ_TYPE_* flags indicating supported types. 1468 */ 1469 struct regmap_irq_type { 1470 unsigned int type_reg_offset; 1471 unsigned int type_reg_mask; 1472 unsigned int type_rising_val; 1473 unsigned int type_falling_val; 1474 unsigned int type_level_low_val; 1475 unsigned int type_level_high_val; 1476 unsigned int types_supported; 1477 }; 1478 1479 /** 1480 * struct regmap_irq - Description of an IRQ for the generic regmap irq_chip. 1481 * 1482 * @reg_offset: Offset of the status/mask register within the bank 1483 * @mask: Mask used to flag/control the register. 1484 * @type: IRQ trigger type setting details if supported. 1485 */ 1486 struct regmap_irq { 1487 unsigned int reg_offset; 1488 unsigned int mask; 1489 struct regmap_irq_type type; 1490 }; 1491 1492 #define REGMAP_IRQ_REG(_irq, _off, _mask) \ 1493 [_irq] = { .reg_offset = (_off), .mask = (_mask) } 1494 1495 #define REGMAP_IRQ_REG_LINE(_id, _reg_bits) \ 1496 [_id] = { \ 1497 .mask = BIT((_id) % (_reg_bits)), \ 1498 .reg_offset = (_id) / (_reg_bits), \ 1499 } 1500 1501 #define REGMAP_IRQ_MAIN_REG_OFFSET(arr) \ 1502 { .num_regs = ARRAY_SIZE((arr)), .offset = &(arr)[0] } 1503 1504 struct regmap_irq_sub_irq_map { 1505 unsigned int num_regs; 1506 unsigned int *offset; 1507 }; 1508 1509 struct regmap_irq_chip_data; 1510 1511 /** 1512 * struct regmap_irq_chip - Description of a generic regmap irq_chip. 1513 * 1514 * @name: Descriptive name for IRQ controller. 1515 * 1516 * @main_status: Base main status register address. For chips which have 1517 * interrupts arranged in separate sub-irq blocks with own IRQ 1518 * registers and which have a main IRQ registers indicating 1519 * sub-irq blocks with unhandled interrupts. For such chips fill 1520 * sub-irq register information in status_base, mask_base and 1521 * ack_base. 1522 * @num_main_status_bits: Should be given to chips where number of meaningfull 1523 * main status bits differs from num_regs. 1524 * @sub_reg_offsets: arrays of mappings from main register bits to sub irq 1525 * registers. First item in array describes the registers 1526 * for first main status bit. Second array for second bit etc. 1527 * Offset is given as sub register status offset to 1528 * status_base. Should contain num_regs arrays. 1529 * Can be provided for chips with more complex mapping than 1530 * 1.st bit to 1.st sub-reg, 2.nd bit to 2.nd sub-reg, ... 1531 * @num_main_regs: Number of 'main status' irq registers for chips which have 1532 * main_status set. 1533 * 1534 * @status_base: Base status register address. 1535 * @mask_base: Base mask register address. Mask bits are set to 1 when an 1536 * interrupt is masked, 0 when unmasked. 1537 * @unmask_base: Base unmask register address. Unmask bits are set to 1 when 1538 * an interrupt is unmasked and 0 when masked. 1539 * @ack_base: Base ack address. If zero then the chip is clear on read. 1540 * Using zero value is possible with @use_ack bit. 1541 * @wake_base: Base address for wake enables. If zero unsupported. 1542 * @config_base: Base address for IRQ type config regs. If null unsupported. 1543 * @irq_reg_stride: Stride to use for chips where registers are not contiguous. 1544 * @init_ack_masked: Ack all masked interrupts once during initalization. 1545 * @mask_unmask_non_inverted: Controls mask bit inversion for chips that set 1546 * both @mask_base and @unmask_base. If false, mask and unmask bits are 1547 * inverted (which is deprecated behavior); if true, bits will not be 1548 * inverted and the registers keep their normal behavior. Note that if 1549 * you use only one of @mask_base or @unmask_base, this flag has no 1550 * effect and is unnecessary. Any new drivers that set both @mask_base 1551 * and @unmask_base should set this to true to avoid relying on the 1552 * deprecated behavior. 1553 * @use_ack: Use @ack register even if it is zero. 1554 * @ack_invert: Inverted ack register: cleared bits for ack. 1555 * @clear_ack: Use this to set 1 and 0 or vice-versa to clear interrupts. 1556 * @status_invert: Inverted status register: cleared bits are active interrupts. 1557 * @wake_invert: Inverted wake register: cleared bits are wake enabled. 1558 * @type_in_mask: Use the mask registers for controlling irq type. Use this if 1559 * the hardware provides separate bits for rising/falling edge 1560 * or low/high level interrupts and they should be combined into 1561 * a single logical interrupt. Use &struct regmap_irq_type data 1562 * to define the mask bit for each irq type. 1563 * @clear_on_unmask: For chips with interrupts cleared on read: read the status 1564 * registers before unmasking interrupts to clear any bits 1565 * set when they were masked. 1566 * @runtime_pm: Hold a runtime PM lock on the device when accessing it. 1567 * @no_status: No status register: all interrupts assumed generated by device. 1568 * 1569 * @num_regs: Number of registers in each control bank. 1570 * 1571 * @irqs: Descriptors for individual IRQs. Interrupt numbers are 1572 * assigned based on the index in the array of the interrupt. 1573 * @num_irqs: Number of descriptors. 1574 * @num_config_bases: Number of config base registers. 1575 * @num_config_regs: Number of config registers for each config base register. 1576 * 1577 * @handle_pre_irq: Driver specific callback to handle interrupt from device 1578 * before regmap_irq_handler process the interrupts. 1579 * @handle_post_irq: Driver specific callback to handle interrupt from device 1580 * after handling the interrupts in regmap_irq_handler(). 1581 * @handle_mask_sync: Callback used to handle IRQ mask syncs. The index will be 1582 * in the range [0, num_regs) 1583 * @set_type_config: Callback used for configuring irq types. 1584 * @get_irq_reg: Callback for mapping (base register, index) pairs to register 1585 * addresses. The base register will be one of @status_base, 1586 * @mask_base, etc., @main_status, or any of @config_base. 1587 * The index will be in the range [0, num_main_regs[ for the 1588 * main status base, [0, num_config_regs[ for any config 1589 * register base, and [0, num_regs[ for any other base. 1590 * If unspecified then regmap_irq_get_irq_reg_linear() is used. 1591 * @irq_drv_data: Driver specific IRQ data which is passed as parameter when 1592 * driver specific pre/post interrupt handler is called. 1593 * 1594 * This is not intended to handle every possible interrupt controller, but 1595 * it should handle a substantial proportion of those that are found in the 1596 * wild. 1597 */ 1598 struct regmap_irq_chip { 1599 const char *name; 1600 1601 unsigned int main_status; 1602 unsigned int num_main_status_bits; 1603 struct regmap_irq_sub_irq_map *sub_reg_offsets; 1604 int num_main_regs; 1605 1606 unsigned int status_base; 1607 unsigned int mask_base; 1608 unsigned int unmask_base; 1609 unsigned int ack_base; 1610 unsigned int wake_base; 1611 const unsigned int *config_base; 1612 unsigned int irq_reg_stride; 1613 unsigned int init_ack_masked:1; 1614 unsigned int mask_unmask_non_inverted:1; 1615 unsigned int use_ack:1; 1616 unsigned int ack_invert:1; 1617 unsigned int clear_ack:1; 1618 unsigned int status_invert:1; 1619 unsigned int wake_invert:1; 1620 unsigned int type_in_mask:1; 1621 unsigned int clear_on_unmask:1; 1622 unsigned int runtime_pm:1; 1623 unsigned int no_status:1; 1624 1625 int num_regs; 1626 1627 const struct regmap_irq *irqs; 1628 int num_irqs; 1629 1630 int num_config_bases; 1631 int num_config_regs; 1632 1633 int (*handle_pre_irq)(void *irq_drv_data); 1634 int (*handle_post_irq)(void *irq_drv_data); 1635 int (*handle_mask_sync)(int index, unsigned int mask_buf_def, 1636 unsigned int mask_buf, void *irq_drv_data); 1637 int (*set_type_config)(unsigned int **buf, unsigned int type, 1638 const struct regmap_irq *irq_data, int idx, 1639 void *irq_drv_data); 1640 unsigned int (*get_irq_reg)(struct regmap_irq_chip_data *data, 1641 unsigned int base, int index); 1642 void *irq_drv_data; 1643 }; 1644 1645 unsigned int regmap_irq_get_irq_reg_linear(struct regmap_irq_chip_data *data, 1646 unsigned int base, int index); 1647 int regmap_irq_set_type_config_simple(unsigned int **buf, unsigned int type, 1648 const struct regmap_irq *irq_data, 1649 int idx, void *irq_drv_data); 1650 1651 int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags, 1652 int irq_base, const struct regmap_irq_chip *chip, 1653 struct regmap_irq_chip_data **data); 1654 int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode, 1655 struct regmap *map, int irq, 1656 int irq_flags, int irq_base, 1657 const struct regmap_irq_chip *chip, 1658 struct regmap_irq_chip_data **data); 1659 void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *data); 1660 1661 int devm_regmap_add_irq_chip(struct device *dev, struct regmap *map, int irq, 1662 int irq_flags, int irq_base, 1663 const struct regmap_irq_chip *chip, 1664 struct regmap_irq_chip_data **data); 1665 int devm_regmap_add_irq_chip_fwnode(struct device *dev, 1666 struct fwnode_handle *fwnode, 1667 struct regmap *map, int irq, 1668 int irq_flags, int irq_base, 1669 const struct regmap_irq_chip *chip, 1670 struct regmap_irq_chip_data **data); 1671 void devm_regmap_del_irq_chip(struct device *dev, int irq, 1672 struct regmap_irq_chip_data *data); 1673 1674 int regmap_irq_chip_get_base(struct regmap_irq_chip_data *data); 1675 int regmap_irq_get_virq(struct regmap_irq_chip_data *data, int irq); 1676 struct irq_domain *regmap_irq_get_domain(struct regmap_irq_chip_data *data); 1677 1678 #else 1679 1680 /* 1681 * These stubs should only ever be called by generic code which has 1682 * regmap based facilities, if they ever get called at runtime 1683 * something is going wrong and something probably needs to select 1684 * REGMAP. 1685 */ 1686 1687 static inline int regmap_write(struct regmap *map, unsigned int reg, 1688 unsigned int val) 1689 { 1690 WARN_ONCE(1, "regmap API is disabled"); 1691 return -EINVAL; 1692 } 1693 1694 static inline int regmap_write_async(struct regmap *map, unsigned int reg, 1695 unsigned int val) 1696 { 1697 WARN_ONCE(1, "regmap API is disabled"); 1698 return -EINVAL; 1699 } 1700 1701 static inline int regmap_raw_write(struct regmap *map, unsigned int reg, 1702 const void *val, size_t val_len) 1703 { 1704 WARN_ONCE(1, "regmap API is disabled"); 1705 return -EINVAL; 1706 } 1707 1708 static inline int regmap_raw_write_async(struct regmap *map, unsigned int reg, 1709 const void *val, size_t val_len) 1710 { 1711 WARN_ONCE(1, "regmap API is disabled"); 1712 return -EINVAL; 1713 } 1714 1715 static inline int regmap_noinc_write(struct regmap *map, unsigned int reg, 1716 const void *val, size_t val_len) 1717 { 1718 WARN_ONCE(1, "regmap API is disabled"); 1719 return -EINVAL; 1720 } 1721 1722 static inline int regmap_bulk_write(struct regmap *map, unsigned int reg, 1723 const void *val, size_t val_count) 1724 { 1725 WARN_ONCE(1, "regmap API is disabled"); 1726 return -EINVAL; 1727 } 1728 1729 static inline int regmap_read(struct regmap *map, unsigned int reg, 1730 unsigned int *val) 1731 { 1732 WARN_ONCE(1, "regmap API is disabled"); 1733 return -EINVAL; 1734 } 1735 1736 static inline int regmap_raw_read(struct regmap *map, unsigned int reg, 1737 void *val, size_t val_len) 1738 { 1739 WARN_ONCE(1, "regmap API is disabled"); 1740 return -EINVAL; 1741 } 1742 1743 static inline int regmap_noinc_read(struct regmap *map, unsigned int reg, 1744 void *val, size_t val_len) 1745 { 1746 WARN_ONCE(1, "regmap API is disabled"); 1747 return -EINVAL; 1748 } 1749 1750 static inline int regmap_bulk_read(struct regmap *map, unsigned int reg, 1751 void *val, size_t val_count) 1752 { 1753 WARN_ONCE(1, "regmap API is disabled"); 1754 return -EINVAL; 1755 } 1756 1757 static inline int regmap_update_bits_base(struct regmap *map, unsigned int reg, 1758 unsigned int mask, unsigned int val, 1759 bool *change, bool async, bool force) 1760 { 1761 WARN_ONCE(1, "regmap API is disabled"); 1762 return -EINVAL; 1763 } 1764 1765 static inline int regmap_set_bits(struct regmap *map, 1766 unsigned int reg, unsigned int bits) 1767 { 1768 WARN_ONCE(1, "regmap API is disabled"); 1769 return -EINVAL; 1770 } 1771 1772 static inline int regmap_clear_bits(struct regmap *map, 1773 unsigned int reg, unsigned int bits) 1774 { 1775 WARN_ONCE(1, "regmap API is disabled"); 1776 return -EINVAL; 1777 } 1778 1779 static inline int regmap_test_bits(struct regmap *map, 1780 unsigned int reg, unsigned int bits) 1781 { 1782 WARN_ONCE(1, "regmap API is disabled"); 1783 return -EINVAL; 1784 } 1785 1786 static inline int regmap_field_update_bits_base(struct regmap_field *field, 1787 unsigned int mask, unsigned int val, 1788 bool *change, bool async, bool force) 1789 { 1790 WARN_ONCE(1, "regmap API is disabled"); 1791 return -EINVAL; 1792 } 1793 1794 static inline int regmap_fields_update_bits_base(struct regmap_field *field, 1795 unsigned int id, 1796 unsigned int mask, unsigned int val, 1797 bool *change, bool async, bool force) 1798 { 1799 WARN_ONCE(1, "regmap API is disabled"); 1800 return -EINVAL; 1801 } 1802 1803 static inline int regmap_update_bits(struct regmap *map, unsigned int reg, 1804 unsigned int mask, unsigned int val) 1805 { 1806 WARN_ONCE(1, "regmap API is disabled"); 1807 return -EINVAL; 1808 } 1809 1810 static inline int regmap_update_bits_async(struct regmap *map, unsigned int reg, 1811 unsigned int mask, unsigned int val) 1812 { 1813 WARN_ONCE(1, "regmap API is disabled"); 1814 return -EINVAL; 1815 } 1816 1817 static inline int regmap_update_bits_check(struct regmap *map, unsigned int reg, 1818 unsigned int mask, unsigned int val, 1819 bool *change) 1820 { 1821 WARN_ONCE(1, "regmap API is disabled"); 1822 return -EINVAL; 1823 } 1824 1825 static inline int 1826 regmap_update_bits_check_async(struct regmap *map, unsigned int reg, 1827 unsigned int mask, unsigned int val, 1828 bool *change) 1829 { 1830 WARN_ONCE(1, "regmap API is disabled"); 1831 return -EINVAL; 1832 } 1833 1834 static inline int regmap_write_bits(struct regmap *map, unsigned int reg, 1835 unsigned int mask, unsigned int val) 1836 { 1837 WARN_ONCE(1, "regmap API is disabled"); 1838 return -EINVAL; 1839 } 1840 1841 static inline int regmap_field_write(struct regmap_field *field, 1842 unsigned int val) 1843 { 1844 WARN_ONCE(1, "regmap API is disabled"); 1845 return -EINVAL; 1846 } 1847 1848 static inline int regmap_field_force_write(struct regmap_field *field, 1849 unsigned int val) 1850 { 1851 WARN_ONCE(1, "regmap API is disabled"); 1852 return -EINVAL; 1853 } 1854 1855 static inline int regmap_field_update_bits(struct regmap_field *field, 1856 unsigned int mask, unsigned int val) 1857 { 1858 WARN_ONCE(1, "regmap API is disabled"); 1859 return -EINVAL; 1860 } 1861 1862 static inline int 1863 regmap_field_force_update_bits(struct regmap_field *field, 1864 unsigned int mask, unsigned int val) 1865 { 1866 WARN_ONCE(1, "regmap API is disabled"); 1867 return -EINVAL; 1868 } 1869 1870 static inline int regmap_field_set_bits(struct regmap_field *field, 1871 unsigned int bits) 1872 { 1873 WARN_ONCE(1, "regmap API is disabled"); 1874 return -EINVAL; 1875 } 1876 1877 static inline int regmap_field_clear_bits(struct regmap_field *field, 1878 unsigned int bits) 1879 { 1880 WARN_ONCE(1, "regmap API is disabled"); 1881 return -EINVAL; 1882 } 1883 1884 static inline int regmap_field_test_bits(struct regmap_field *field, 1885 unsigned int bits) 1886 { 1887 WARN_ONCE(1, "regmap API is disabled"); 1888 return -EINVAL; 1889 } 1890 1891 static inline int regmap_fields_write(struct regmap_field *field, 1892 unsigned int id, unsigned int val) 1893 { 1894 WARN_ONCE(1, "regmap API is disabled"); 1895 return -EINVAL; 1896 } 1897 1898 static inline int regmap_fields_force_write(struct regmap_field *field, 1899 unsigned int id, unsigned int val) 1900 { 1901 WARN_ONCE(1, "regmap API is disabled"); 1902 return -EINVAL; 1903 } 1904 1905 static inline int 1906 regmap_fields_update_bits(struct regmap_field *field, unsigned int id, 1907 unsigned int mask, unsigned int val) 1908 { 1909 WARN_ONCE(1, "regmap API is disabled"); 1910 return -EINVAL; 1911 } 1912 1913 static inline int 1914 regmap_fields_force_update_bits(struct regmap_field *field, unsigned int id, 1915 unsigned int mask, unsigned int val) 1916 { 1917 WARN_ONCE(1, "regmap API is disabled"); 1918 return -EINVAL; 1919 } 1920 1921 static inline int regmap_get_val_bytes(struct regmap *map) 1922 { 1923 WARN_ONCE(1, "regmap API is disabled"); 1924 return -EINVAL; 1925 } 1926 1927 static inline int regmap_get_max_register(struct regmap *map) 1928 { 1929 WARN_ONCE(1, "regmap API is disabled"); 1930 return -EINVAL; 1931 } 1932 1933 static inline int regmap_get_reg_stride(struct regmap *map) 1934 { 1935 WARN_ONCE(1, "regmap API is disabled"); 1936 return -EINVAL; 1937 } 1938 1939 static inline bool regmap_might_sleep(struct regmap *map) 1940 { 1941 WARN_ONCE(1, "regmap API is disabled"); 1942 return true; 1943 } 1944 1945 static inline int regcache_sync(struct regmap *map) 1946 { 1947 WARN_ONCE(1, "regmap API is disabled"); 1948 return -EINVAL; 1949 } 1950 1951 static inline int regcache_sync_region(struct regmap *map, unsigned int min, 1952 unsigned int max) 1953 { 1954 WARN_ONCE(1, "regmap API is disabled"); 1955 return -EINVAL; 1956 } 1957 1958 static inline int regcache_drop_region(struct regmap *map, unsigned int min, 1959 unsigned int max) 1960 { 1961 WARN_ONCE(1, "regmap API is disabled"); 1962 return -EINVAL; 1963 } 1964 1965 static inline void regcache_cache_only(struct regmap *map, bool enable) 1966 { 1967 WARN_ONCE(1, "regmap API is disabled"); 1968 } 1969 1970 static inline void regcache_cache_bypass(struct regmap *map, bool enable) 1971 { 1972 WARN_ONCE(1, "regmap API is disabled"); 1973 } 1974 1975 static inline void regcache_mark_dirty(struct regmap *map) 1976 { 1977 WARN_ONCE(1, "regmap API is disabled"); 1978 } 1979 1980 static inline void regmap_async_complete(struct regmap *map) 1981 { 1982 WARN_ONCE(1, "regmap API is disabled"); 1983 } 1984 1985 static inline int regmap_register_patch(struct regmap *map, 1986 const struct reg_sequence *regs, 1987 int num_regs) 1988 { 1989 WARN_ONCE(1, "regmap API is disabled"); 1990 return -EINVAL; 1991 } 1992 1993 static inline int regmap_parse_val(struct regmap *map, const void *buf, 1994 unsigned int *val) 1995 { 1996 WARN_ONCE(1, "regmap API is disabled"); 1997 return -EINVAL; 1998 } 1999 2000 static inline struct regmap *dev_get_regmap(struct device *dev, 2001 const char *name) 2002 { 2003 return NULL; 2004 } 2005 2006 static inline struct device *regmap_get_device(struct regmap *map) 2007 { 2008 WARN_ONCE(1, "regmap API is disabled"); 2009 return NULL; 2010 } 2011 2012 #endif 2013 2014 #endif 2015