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 /*
58 * The supported cache types, the default is no cache. Any new caches
59 * should usually use the maple tree cache unless they specifically
60 * require that there are never any allocations at runtime and can't
61 * provide defaults in which case they should use the flat cache. The
62 * rbtree cache *may* have some performance advantage for very low end
63 * systems that make heavy use of cache syncs but is mainly legacy.
64 */
65 enum regcache_type {
66 REGCACHE_NONE,
67 REGCACHE_RBTREE,
68 REGCACHE_FLAT,
69 REGCACHE_MAPLE,
70 };
71
72 /**
73 * struct reg_default - Default value for a register.
74 *
75 * @reg: Register address.
76 * @def: Register default value.
77 *
78 * We use an array of structs rather than a simple array as many modern devices
79 * have very sparse register maps.
80 */
81 struct reg_default {
82 unsigned int reg;
83 unsigned int def;
84 };
85
86 /**
87 * struct reg_sequence - An individual write from a sequence of writes.
88 *
89 * @reg: Register address.
90 * @def: Register value.
91 * @delay_us: Delay to be applied after the register write in microseconds
92 *
93 * Register/value pairs for sequences of writes with an optional delay in
94 * microseconds to be applied after each write.
95 */
96 struct reg_sequence {
97 unsigned int reg;
98 unsigned int def;
99 unsigned int delay_us;
100 };
101
102 #define REG_SEQ(_reg, _def, _delay_us) { \
103 .reg = _reg, \
104 .def = _def, \
105 .delay_us = _delay_us, \
106 }
107 #define REG_SEQ0(_reg, _def) REG_SEQ(_reg, _def, 0)
108
109 /**
110 * regmap_read_poll_timeout - Poll until a condition is met or a timeout occurs
111 *
112 * @map: Regmap to read from
113 * @addr: Address to poll
114 * @val: Unsigned integer variable to read the value into
115 * @cond: Break condition (usually involving @val)
116 * @sleep_us: Maximum time to sleep between reads in us (0 tight-loops). Please
117 * read usleep_range() function description for details and
118 * limitations.
119 * @timeout_us: Timeout in us, 0 means never timeout
120 *
121 * This is modelled after the readx_poll_timeout macros in linux/iopoll.h.
122 *
123 * Returns: 0 on success and -ETIMEDOUT upon a timeout or the regmap_read
124 * error return value in case of a error read. In the two former cases,
125 * the last read value at @addr is stored in @val. Must not be called
126 * from atomic context if sleep_us or timeout_us are used.
127 */
128 #define regmap_read_poll_timeout(map, addr, val, cond, sleep_us, timeout_us) \
129 ({ \
130 int __ret, __tmp; \
131 __tmp = read_poll_timeout(regmap_read, __ret, __ret || (cond), \
132 sleep_us, timeout_us, false, (map), (addr), &(val)); \
133 __ret ?: __tmp; \
134 })
135
136 /**
137 * regmap_read_poll_timeout_atomic - Poll until a condition is met or a timeout occurs
138 *
139 * @map: Regmap to read from
140 * @addr: Address to poll
141 * @val: Unsigned integer variable to read the value into
142 * @cond: Break condition (usually involving @val)
143 * @delay_us: Time to udelay between reads in us (0 tight-loops). Please
144 * read udelay() function description for details and
145 * limitations.
146 * @timeout_us: Timeout in us, 0 means never timeout
147 *
148 * This is modelled after the readx_poll_timeout_atomic macros in linux/iopoll.h.
149 *
150 * Note: In general regmap cannot be used in atomic context. If you want to use
151 * this macro then first setup your regmap for atomic use (flat or no cache
152 * and MMIO regmap).
153 *
154 * Returns: 0 on success and -ETIMEDOUT upon a timeout or the regmap_read
155 * error return value in case of a error read. In the two former cases,
156 * the last read value at @addr is stored in @val.
157 */
158 #define regmap_read_poll_timeout_atomic(map, addr, val, cond, delay_us, timeout_us) \
159 ({ \
160 u64 __timeout_us = (timeout_us); \
161 unsigned long __delay_us = (delay_us); \
162 ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \
163 int __ret; \
164 for (;;) { \
165 __ret = regmap_read((map), (addr), &(val)); \
166 if (__ret) \
167 break; \
168 if (cond) \
169 break; \
170 if ((__timeout_us) && \
171 ktime_compare(ktime_get(), __timeout) > 0) { \
172 __ret = regmap_read((map), (addr), &(val)); \
173 break; \
174 } \
175 if (__delay_us) \
176 udelay(__delay_us); \
177 } \
178 __ret ?: ((cond) ? 0 : -ETIMEDOUT); \
179 })
180
181 /**
182 * regmap_field_read_poll_timeout - Poll until a condition is met or timeout
183 *
184 * @field: Regmap field to read from
185 * @val: Unsigned integer variable to read the value into
186 * @cond: Break condition (usually involving @val)
187 * @sleep_us: Maximum time to sleep between reads in us (0 tight-loops). Please
188 * read usleep_range() function description for details and
189 * limitations.
190 * @timeout_us: Timeout in us, 0 means never timeout
191 *
192 * This is modelled after the readx_poll_timeout macros in linux/iopoll.h.
193 *
194 * Returns: 0 on success and -ETIMEDOUT upon a timeout or the regmap_field_read
195 * error return value in case of a error read. In the two former cases,
196 * the last read value at @addr is stored in @val. Must not be called
197 * from atomic context if sleep_us or timeout_us are used.
198 */
199 #define regmap_field_read_poll_timeout(field, val, cond, sleep_us, timeout_us) \
200 ({ \
201 int __ret, __tmp; \
202 __tmp = read_poll_timeout(regmap_field_read, __ret, __ret || (cond), \
203 sleep_us, timeout_us, false, (field), &(val)); \
204 __ret ?: __tmp; \
205 })
206
207 #ifdef CONFIG_REGMAP
208
209 enum regmap_endian {
210 /* Unspecified -> 0 -> Backwards compatible default */
211 REGMAP_ENDIAN_DEFAULT = 0,
212 REGMAP_ENDIAN_BIG,
213 REGMAP_ENDIAN_LITTLE,
214 REGMAP_ENDIAN_NATIVE,
215 };
216
217 /**
218 * struct regmap_range - A register range, used for access related checks
219 * (readable/writeable/volatile/precious checks)
220 *
221 * @range_min: address of first register
222 * @range_max: address of last register
223 */
224 struct regmap_range {
225 unsigned int range_min;
226 unsigned int range_max;
227 };
228
229 #define regmap_reg_range(low, high) { .range_min = low, .range_max = high, }
230
231 /**
232 * struct regmap_access_table - A table of register ranges for access checks
233 *
234 * @yes_ranges : pointer to an array of regmap ranges used as "yes ranges"
235 * @n_yes_ranges: size of the above array
236 * @no_ranges: pointer to an array of regmap ranges used as "no ranges"
237 * @n_no_ranges: size of the above array
238 *
239 * A table of ranges including some yes ranges and some no ranges.
240 * If a register belongs to a no_range, the corresponding check function
241 * will return false. If a register belongs to a yes range, the corresponding
242 * check function will return true. "no_ranges" are searched first.
243 */
244 struct regmap_access_table {
245 const struct regmap_range *yes_ranges;
246 unsigned int n_yes_ranges;
247 const struct regmap_range *no_ranges;
248 unsigned int n_no_ranges;
249 };
250
251 typedef void (*regmap_lock)(void *);
252 typedef void (*regmap_unlock)(void *);
253
254 /**
255 * struct regmap_config - Configuration for the register map of a device.
256 *
257 * @name: Optional name of the regmap. Useful when a device has multiple
258 * register regions.
259 *
260 * @reg_bits: Number of bits in a register address, mandatory.
261 * @reg_stride: The register address stride. Valid register addresses are a
262 * multiple of this value. If set to 0, a value of 1 will be
263 * used.
264 * @reg_shift: The number of bits to shift the register before performing any
265 * operations. Any positive number will be downshifted, and negative
266 * values will be upshifted
267 * @reg_base: Value to be added to every register address before performing any
268 * operation.
269 * @pad_bits: Number of bits of padding between register and value.
270 * @val_bits: Number of bits in a register value, mandatory.
271 *
272 * @writeable_reg: Optional callback returning true if the register
273 * can be written to. If this field is NULL but wr_table
274 * (see below) is not, the check is performed on such table
275 * (a register is writeable if it belongs to one of the ranges
276 * specified by wr_table).
277 * @readable_reg: Optional callback returning true if the register
278 * can be read from. If this field is NULL but rd_table
279 * (see below) is not, the check is performed on such table
280 * (a register is readable if it belongs to one of the ranges
281 * specified by rd_table).
282 * @volatile_reg: Optional callback returning true if the register
283 * value can't be cached. If this field is NULL but
284 * volatile_table (see below) is not, the check is performed on
285 * such table (a register is volatile if it belongs to one of
286 * the ranges specified by volatile_table).
287 * @precious_reg: Optional callback returning true if the register
288 * should not be read outside of a call from the driver
289 * (e.g., a clear on read interrupt status register). If this
290 * field is NULL but precious_table (see below) is not, the
291 * check is performed on such table (a register is precious if
292 * it belongs to one of the ranges specified by precious_table).
293 * @writeable_noinc_reg: Optional callback returning true if the register
294 * supports multiple write operations without incrementing
295 * the register number. If this field is NULL but
296 * wr_noinc_table (see below) is not, the check is
297 * performed on such table (a register is no increment
298 * writeable if it belongs to one of the ranges specified
299 * by wr_noinc_table).
300 * @readable_noinc_reg: Optional callback returning true if the register
301 * supports multiple read operations without incrementing
302 * the register number. If this field is NULL but
303 * rd_noinc_table (see below) is not, the check is
304 * performed on such table (a register is no increment
305 * readable if it belongs to one of the ranges specified
306 * by rd_noinc_table).
307 * @reg_read: Optional callback that if filled will be used to perform
308 * all the reads from the registers. Should only be provided for
309 * devices whose read operation cannot be represented as a simple
310 * read operation on a bus such as SPI, I2C, etc. Most of the
311 * devices do not need this.
312 * @reg_write: Same as above for writing.
313 * @reg_update_bits: Optional callback that if filled will be used to perform
314 * all the update_bits(rmw) operation. Should only be provided
315 * if the function require special handling with lock and reg
316 * handling and the operation cannot be represented as a simple
317 * update_bits operation on a bus such as SPI, I2C, etc.
318 * @read: Optional callback that if filled will be used to perform all the
319 * bulk reads from the registers. Data is returned in the buffer used
320 * to transmit data.
321 * @write: Same as above for writing.
322 * @max_raw_read: Max raw read size that can be used on the device.
323 * @max_raw_write: Max raw write size that can be used on the device.
324 * @can_sleep: Optional, specifies whether regmap operations can sleep.
325 * @fast_io: Register IO is fast. Use a spinlock instead of a mutex
326 * to perform locking. This field is ignored if custom lock/unlock
327 * functions are used (see fields lock/unlock of struct regmap_config).
328 * This field is a duplicate of a similar file in
329 * 'struct regmap_bus' and serves exact same purpose.
330 * Use it only for "no-bus" cases.
331 * @io_port: Support IO port accessors. Makes sense only when MMIO vs. IO port
332 * access can be distinguished.
333 * @disable_locking: This regmap is either protected by external means or
334 * is guaranteed not to be accessed from multiple threads.
335 * Don't use any locking mechanisms.
336 * @lock: Optional lock callback (overrides regmap's default lock
337 * function, based on spinlock or mutex).
338 * @unlock: As above for unlocking.
339 * @lock_arg: This field is passed as the only argument of lock/unlock
340 * functions (ignored in case regular lock/unlock functions
341 * are not overridden).
342 * @max_register: Optional, specifies the maximum valid register address.
343 * @max_register_is_0: Optional, specifies that zero value in @max_register
344 * should be taken into account. This is a workaround to
345 * apply handling of @max_register for regmap that contains
346 * only one register.
347 * @wr_table: Optional, points to a struct regmap_access_table specifying
348 * valid ranges for write access.
349 * @rd_table: As above, for read access.
350 * @volatile_table: As above, for volatile registers.
351 * @precious_table: As above, for precious registers.
352 * @wr_noinc_table: As above, for no increment writeable registers.
353 * @rd_noinc_table: As above, for no increment readable registers.
354 * @reg_defaults: Power on reset values for registers (for use with
355 * register cache support).
356 * @num_reg_defaults: Number of elements in reg_defaults.
357 *
358 * @read_flag_mask: Mask to be set in the top bytes of the register when doing
359 * a read.
360 * @write_flag_mask: Mask to be set in the top bytes of the register when doing
361 * a write. If both read_flag_mask and write_flag_mask are
362 * empty and zero_flag_mask is not set the regmap_bus default
363 * masks are used.
364 * @zero_flag_mask: If set, read_flag_mask and write_flag_mask are used even
365 * if they are both empty.
366 * @use_relaxed_mmio: If set, MMIO R/W operations will not use memory barriers.
367 * This can avoid load on devices which don't require strict
368 * orderings, but drivers should carefully add any explicit
369 * memory barriers when they may require them.
370 * @use_single_read: If set, converts the bulk read operation into a series of
371 * single read operations. This is useful for a device that
372 * does not support bulk read.
373 * @use_single_write: If set, converts the bulk write operation into a series of
374 * single write operations. This is useful for a device that
375 * does not support bulk write.
376 * @can_multi_write: If set, the device supports the multi write mode of bulk
377 * write operations, if clear multi write requests will be
378 * split into individual write operations
379 *
380 * @cache_type: The actual cache type.
381 * @reg_defaults_raw: Power on reset values for registers (for use with
382 * register cache support).
383 * @num_reg_defaults_raw: Number of elements in reg_defaults_raw.
384 * @use_hwlock: Indicate if a hardware spinlock should be used.
385 * @use_raw_spinlock: Indicate if a raw spinlock should be used.
386 * @hwlock_id: Specify the hardware spinlock id.
387 * @hwlock_mode: The hardware spinlock mode, should be HWLOCK_IRQSTATE,
388 * HWLOCK_IRQ or 0.
389 * @reg_format_endian: Endianness for formatted register addresses. If this is
390 * DEFAULT, the @reg_format_endian_default value from the
391 * regmap bus is used.
392 * @val_format_endian: Endianness for formatted register values. If this is
393 * DEFAULT, the @reg_format_endian_default value from the
394 * regmap bus is used.
395 *
396 * @ranges: Array of configuration entries for virtual address ranges.
397 * @num_ranges: Number of range configuration entries.
398 */
399 struct regmap_config {
400 const char *name;
401
402 int reg_bits;
403 int reg_stride;
404 int reg_shift;
405 unsigned int reg_base;
406 int pad_bits;
407 int val_bits;
408
409 bool (*writeable_reg)(struct device *dev, unsigned int reg);
410 bool (*readable_reg)(struct device *dev, unsigned int reg);
411 bool (*volatile_reg)(struct device *dev, unsigned int reg);
412 bool (*precious_reg)(struct device *dev, unsigned int reg);
413 bool (*writeable_noinc_reg)(struct device *dev, unsigned int reg);
414 bool (*readable_noinc_reg)(struct device *dev, unsigned int reg);
415
416 int (*reg_read)(void *context, unsigned int reg, unsigned int *val);
417 int (*reg_write)(void *context, unsigned int reg, unsigned int val);
418 int (*reg_update_bits)(void *context, unsigned int reg,
419 unsigned int mask, unsigned int val);
420 /* Bulk read/write */
421 int (*read)(void *context, const void *reg_buf, size_t reg_size,
422 void *val_buf, size_t val_size);
423 int (*write)(void *context, const void *data, size_t count);
424 size_t max_raw_read;
425 size_t max_raw_write;
426
427 bool can_sleep;
428
429 bool fast_io;
430 bool io_port;
431
432 bool disable_locking;
433 regmap_lock lock;
434 regmap_unlock unlock;
435 void *lock_arg;
436
437 unsigned int max_register;
438 bool max_register_is_0;
439 const struct regmap_access_table *wr_table;
440 const struct regmap_access_table *rd_table;
441 const struct regmap_access_table *volatile_table;
442 const struct regmap_access_table *precious_table;
443 const struct regmap_access_table *wr_noinc_table;
444 const struct regmap_access_table *rd_noinc_table;
445 const struct reg_default *reg_defaults;
446 unsigned int num_reg_defaults;
447 enum regcache_type cache_type;
448 const void *reg_defaults_raw;
449 unsigned int num_reg_defaults_raw;
450
451 unsigned long read_flag_mask;
452 unsigned long write_flag_mask;
453 bool zero_flag_mask;
454
455 bool use_single_read;
456 bool use_single_write;
457 bool use_relaxed_mmio;
458 bool can_multi_write;
459
460 bool use_hwlock;
461 bool use_raw_spinlock;
462 unsigned int hwlock_id;
463 unsigned int hwlock_mode;
464
465 enum regmap_endian reg_format_endian;
466 enum regmap_endian val_format_endian;
467
468 const struct regmap_range_cfg *ranges;
469 unsigned int num_ranges;
470 };
471
472 /**
473 * struct regmap_range_cfg - Configuration for indirectly accessed or paged
474 * registers.
475 *
476 * @name: Descriptive name for diagnostics
477 *
478 * @range_min: Address of the lowest register address in virtual range.
479 * @range_max: Address of the highest register in virtual range.
480 *
481 * @selector_reg: Register with selector field.
482 * @selector_mask: Bit mask for selector value.
483 * @selector_shift: Bit shift for selector value.
484 *
485 * @window_start: Address of first (lowest) register in data window.
486 * @window_len: Number of registers in data window.
487 *
488 * Registers, mapped to this virtual range, are accessed in two steps:
489 * 1. page selector register update;
490 * 2. access through data window registers.
491 */
492 struct regmap_range_cfg {
493 const char *name;
494
495 /* Registers of virtual address range */
496 unsigned int range_min;
497 unsigned int range_max;
498
499 /* Page selector for indirect addressing */
500 unsigned int selector_reg;
501 unsigned int selector_mask;
502 int selector_shift;
503
504 /* Data window (per each page) */
505 unsigned int window_start;
506 unsigned int window_len;
507 };
508
509 /**
510 * struct regmap_sdw_mbq_cfg - Configuration for Multi-Byte Quantities
511 *
512 * @mbq_size: Callback returning the actual size of the given register.
513 * @deferrable: Callback returning true if the hardware can defer
514 * transactions to the given register. Deferral should
515 * only be used by SDCA parts and typically which controls
516 * are deferrable will be specified in either as a hard
517 * coded list or from the DisCo tables in the platform
518 * firmware.
519 *
520 * @timeout_us: The time in microseconds after which waiting for a deferred
521 * transaction should time out.
522 * @retry_us: The time in microseconds between polls of the function busy
523 * status whilst waiting for an opportunity to retry a deferred
524 * transaction.
525 *
526 * Provides additional configuration required for SoundWire MBQ register maps.
527 */
528 struct regmap_sdw_mbq_cfg {
529 int (*mbq_size)(struct device *dev, unsigned int reg);
530 bool (*deferrable)(struct device *dev, unsigned int reg);
531 unsigned long timeout_us;
532 unsigned long retry_us;
533 };
534
535 struct regmap_async;
536
537 typedef int (*regmap_hw_write)(void *context, const void *data,
538 size_t count);
539 typedef int (*regmap_hw_gather_write)(void *context,
540 const void *reg, size_t reg_len,
541 const void *val, size_t val_len);
542 typedef int (*regmap_hw_async_write)(void *context,
543 const void *reg, size_t reg_len,
544 const void *val, size_t val_len,
545 struct regmap_async *async);
546 typedef int (*regmap_hw_read)(void *context,
547 const void *reg_buf, size_t reg_size,
548 void *val_buf, size_t val_size);
549 typedef int (*regmap_hw_reg_read)(void *context, unsigned int reg,
550 unsigned int *val);
551 typedef int (*regmap_hw_reg_noinc_read)(void *context, unsigned int reg,
552 void *val, size_t val_count);
553 typedef int (*regmap_hw_reg_write)(void *context, unsigned int reg,
554 unsigned int val);
555 typedef int (*regmap_hw_reg_noinc_write)(void *context, unsigned int reg,
556 const void *val, size_t val_count);
557 typedef int (*regmap_hw_reg_update_bits)(void *context, unsigned int reg,
558 unsigned int mask, unsigned int val);
559 typedef struct regmap_async *(*regmap_hw_async_alloc)(void);
560 typedef void (*regmap_hw_free_context)(void *context);
561
562 /**
563 * struct regmap_bus - Description of a hardware bus for the register map
564 * infrastructure.
565 *
566 * @fast_io: Register IO is fast. Use a spinlock instead of a mutex
567 * to perform locking. This field is ignored if custom lock/unlock
568 * functions are used (see fields lock/unlock of
569 * struct regmap_config).
570 * @free_on_exit: kfree this on exit of regmap
571 * @write: Write operation.
572 * @gather_write: Write operation with split register/value, return -ENOTSUPP
573 * if not implemented on a given device.
574 * @async_write: Write operation which completes asynchronously, optional and
575 * must serialise with respect to non-async I/O.
576 * @reg_write: Write a single register value to the given register address. This
577 * write operation has to complete when returning from the function.
578 * @reg_write_noinc: Write multiple register value to the same register. This
579 * write operation has to complete when returning from the function.
580 * @reg_update_bits: Update bits operation to be used against volatile
581 * registers, intended for devices supporting some mechanism
582 * for setting clearing bits without having to
583 * read/modify/write.
584 * @read: Read operation. Data is returned in the buffer used to transmit
585 * data.
586 * @reg_read: Read a single register value from a given register address.
587 * @free_context: Free context.
588 * @async_alloc: Allocate a regmap_async() structure.
589 * @read_flag_mask: Mask to be set in the top byte of the register when doing
590 * a read.
591 * @reg_format_endian_default: Default endianness for formatted register
592 * addresses. Used when the regmap_config specifies DEFAULT. If this is
593 * DEFAULT, BIG is assumed.
594 * @val_format_endian_default: Default endianness for formatted register
595 * values. Used when the regmap_config specifies DEFAULT. If this is
596 * DEFAULT, BIG is assumed.
597 * @max_raw_read: Max raw read size that can be used on the bus.
598 * @max_raw_write: Max raw write size that can be used on the bus.
599 */
600 struct regmap_bus {
601 bool fast_io;
602 bool free_on_exit;
603 regmap_hw_write write;
604 regmap_hw_gather_write gather_write;
605 regmap_hw_async_write async_write;
606 regmap_hw_reg_write reg_write;
607 regmap_hw_reg_noinc_write reg_noinc_write;
608 regmap_hw_reg_update_bits reg_update_bits;
609 regmap_hw_read read;
610 regmap_hw_reg_read reg_read;
611 regmap_hw_reg_noinc_read reg_noinc_read;
612 regmap_hw_free_context free_context;
613 regmap_hw_async_alloc async_alloc;
614 u8 read_flag_mask;
615 enum regmap_endian reg_format_endian_default;
616 enum regmap_endian val_format_endian_default;
617 size_t max_raw_read;
618 size_t max_raw_write;
619 };
620
621 /*
622 * __regmap_init functions.
623 *
624 * These functions take a lock key and name parameter, and should not be called
625 * directly. Instead, use the regmap_init macros that generate a key and name
626 * for each call.
627 */
628 struct regmap *__regmap_init(struct device *dev,
629 const struct regmap_bus *bus,
630 void *bus_context,
631 const struct regmap_config *config,
632 struct lock_class_key *lock_key,
633 const char *lock_name);
634 struct regmap *__regmap_init_i2c(struct i2c_client *i2c,
635 const struct regmap_config *config,
636 struct lock_class_key *lock_key,
637 const char *lock_name);
638 struct regmap *__regmap_init_mdio(struct mdio_device *mdio_dev,
639 const struct regmap_config *config,
640 struct lock_class_key *lock_key,
641 const char *lock_name);
642 struct regmap *__regmap_init_sccb(struct i2c_client *i2c,
643 const struct regmap_config *config,
644 struct lock_class_key *lock_key,
645 const char *lock_name);
646 struct regmap *__regmap_init_slimbus(struct slim_device *slimbus,
647 const struct regmap_config *config,
648 struct lock_class_key *lock_key,
649 const char *lock_name);
650 struct regmap *__regmap_init_spi(struct spi_device *dev,
651 const struct regmap_config *config,
652 struct lock_class_key *lock_key,
653 const char *lock_name);
654 struct regmap *__regmap_init_spmi_base(struct spmi_device *dev,
655 const struct regmap_config *config,
656 struct lock_class_key *lock_key,
657 const char *lock_name);
658 struct regmap *__regmap_init_spmi_ext(struct spmi_device *dev,
659 const struct regmap_config *config,
660 struct lock_class_key *lock_key,
661 const char *lock_name);
662 struct regmap *__regmap_init_w1(struct device *w1_dev,
663 const struct regmap_config *config,
664 struct lock_class_key *lock_key,
665 const char *lock_name);
666 struct regmap *__regmap_init_mmio_clk(struct device *dev, const char *clk_id,
667 void __iomem *regs,
668 const struct regmap_config *config,
669 struct lock_class_key *lock_key,
670 const char *lock_name);
671 struct regmap *__regmap_init_ac97(struct snd_ac97 *ac97,
672 const struct regmap_config *config,
673 struct lock_class_key *lock_key,
674 const char *lock_name);
675 struct regmap *__regmap_init_sdw(struct sdw_slave *sdw,
676 const struct regmap_config *config,
677 struct lock_class_key *lock_key,
678 const char *lock_name);
679 struct regmap *__regmap_init_sdw_mbq(struct sdw_slave *sdw,
680 const struct regmap_config *config,
681 const struct regmap_sdw_mbq_cfg *mbq_config,
682 struct lock_class_key *lock_key,
683 const char *lock_name);
684 struct regmap *__regmap_init_spi_avmm(struct spi_device *spi,
685 const struct regmap_config *config,
686 struct lock_class_key *lock_key,
687 const char *lock_name);
688 struct regmap *__regmap_init_fsi(struct fsi_device *fsi_dev,
689 const struct regmap_config *config,
690 struct lock_class_key *lock_key,
691 const char *lock_name);
692
693 struct regmap *__devm_regmap_init(struct device *dev,
694 const struct regmap_bus *bus,
695 void *bus_context,
696 const struct regmap_config *config,
697 struct lock_class_key *lock_key,
698 const char *lock_name);
699 struct regmap *__devm_regmap_init_i2c(struct i2c_client *i2c,
700 const struct regmap_config *config,
701 struct lock_class_key *lock_key,
702 const char *lock_name);
703 struct regmap *__devm_regmap_init_mdio(struct mdio_device *mdio_dev,
704 const struct regmap_config *config,
705 struct lock_class_key *lock_key,
706 const char *lock_name);
707 struct regmap *__devm_regmap_init_sccb(struct i2c_client *i2c,
708 const struct regmap_config *config,
709 struct lock_class_key *lock_key,
710 const char *lock_name);
711 struct regmap *__devm_regmap_init_spi(struct spi_device *dev,
712 const struct regmap_config *config,
713 struct lock_class_key *lock_key,
714 const char *lock_name);
715 struct regmap *__devm_regmap_init_spmi_base(struct spmi_device *dev,
716 const struct regmap_config *config,
717 struct lock_class_key *lock_key,
718 const char *lock_name);
719 struct regmap *__devm_regmap_init_spmi_ext(struct spmi_device *dev,
720 const struct regmap_config *config,
721 struct lock_class_key *lock_key,
722 const char *lock_name);
723 struct regmap *__devm_regmap_init_w1(struct device *w1_dev,
724 const struct regmap_config *config,
725 struct lock_class_key *lock_key,
726 const char *lock_name);
727 struct regmap *__devm_regmap_init_mmio_clk(struct device *dev,
728 const char *clk_id,
729 void __iomem *regs,
730 const struct regmap_config *config,
731 struct lock_class_key *lock_key,
732 const char *lock_name);
733 struct regmap *__devm_regmap_init_ac97(struct snd_ac97 *ac97,
734 const struct regmap_config *config,
735 struct lock_class_key *lock_key,
736 const char *lock_name);
737 struct regmap *__devm_regmap_init_sdw(struct sdw_slave *sdw,
738 const struct regmap_config *config,
739 struct lock_class_key *lock_key,
740 const char *lock_name);
741 struct regmap *__devm_regmap_init_sdw_mbq(struct sdw_slave *sdw,
742 const struct regmap_config *config,
743 const struct regmap_sdw_mbq_cfg *mbq_config,
744 struct lock_class_key *lock_key,
745 const char *lock_name);
746 struct regmap *__devm_regmap_init_slimbus(struct slim_device *slimbus,
747 const struct regmap_config *config,
748 struct lock_class_key *lock_key,
749 const char *lock_name);
750 struct regmap *__devm_regmap_init_i3c(struct i3c_device *i3c,
751 const struct regmap_config *config,
752 struct lock_class_key *lock_key,
753 const char *lock_name);
754 struct regmap *__devm_regmap_init_spi_avmm(struct spi_device *spi,
755 const struct regmap_config *config,
756 struct lock_class_key *lock_key,
757 const char *lock_name);
758 struct regmap *__devm_regmap_init_fsi(struct fsi_device *fsi_dev,
759 const struct regmap_config *config,
760 struct lock_class_key *lock_key,
761 const char *lock_name);
762
763 /*
764 * Wrapper for regmap_init macros to include a unique lockdep key and name
765 * for each call. No-op if CONFIG_LOCKDEP is not set.
766 *
767 * @fn: Real function to call (in the form __[*_]regmap_init[_*])
768 * @name: Config variable name (#config in the calling macro)
769 **/
770 #ifdef CONFIG_LOCKDEP
771 #define __regmap_lockdep_wrapper(fn, name, ...) \
772 ( \
773 ({ \
774 static struct lock_class_key _key; \
775 fn(__VA_ARGS__, &_key, \
776 KBUILD_BASENAME ":" \
777 __stringify(__LINE__) ":" \
778 "(" name ")->lock"); \
779 }) \
780 )
781 #else
782 #define __regmap_lockdep_wrapper(fn, name, ...) fn(__VA_ARGS__, NULL, NULL)
783 #endif
784
785 /**
786 * regmap_init() - Initialise register map
787 *
788 * @dev: Device that will be interacted with
789 * @bus: Bus-specific callbacks to use with device
790 * @bus_context: Data passed to bus-specific callbacks
791 * @config: Configuration for register map
792 *
793 * The return value will be an ERR_PTR() on error or a valid pointer to
794 * a struct regmap. This function should generally not be called
795 * directly, it should be called by bus-specific init functions.
796 */
797 #define regmap_init(dev, bus, bus_context, config) \
798 __regmap_lockdep_wrapper(__regmap_init, #config, \
799 dev, bus, bus_context, config)
800 int regmap_attach_dev(struct device *dev, struct regmap *map,
801 const struct regmap_config *config);
802
803 /**
804 * regmap_init_i2c() - Initialise register map
805 *
806 * @i2c: Device that will be interacted with
807 * @config: Configuration for register map
808 *
809 * The return value will be an ERR_PTR() on error or a valid pointer to
810 * a struct regmap.
811 */
812 #define regmap_init_i2c(i2c, config) \
813 __regmap_lockdep_wrapper(__regmap_init_i2c, #config, \
814 i2c, config)
815
816 /**
817 * regmap_init_mdio() - Initialise register map
818 *
819 * @mdio_dev: Device that will be interacted with
820 * @config: Configuration for register map
821 *
822 * The return value will be an ERR_PTR() on error or a valid pointer to
823 * a struct regmap.
824 */
825 #define regmap_init_mdio(mdio_dev, config) \
826 __regmap_lockdep_wrapper(__regmap_init_mdio, #config, \
827 mdio_dev, config)
828
829 /**
830 * regmap_init_sccb() - Initialise register map
831 *
832 * @i2c: Device that will be interacted with
833 * @config: Configuration for register map
834 *
835 * The return value will be an ERR_PTR() on error or a valid pointer to
836 * a struct regmap.
837 */
838 #define regmap_init_sccb(i2c, config) \
839 __regmap_lockdep_wrapper(__regmap_init_sccb, #config, \
840 i2c, config)
841
842 /**
843 * regmap_init_slimbus() - Initialise register map
844 *
845 * @slimbus: Device that will be interacted with
846 * @config: Configuration for register map
847 *
848 * The return value will be an ERR_PTR() on error or a valid pointer to
849 * a struct regmap.
850 */
851 #define regmap_init_slimbus(slimbus, config) \
852 __regmap_lockdep_wrapper(__regmap_init_slimbus, #config, \
853 slimbus, config)
854
855 /**
856 * regmap_init_spi() - Initialise register map
857 *
858 * @dev: Device that will be interacted with
859 * @config: Configuration for register map
860 *
861 * The return value will be an ERR_PTR() on error or a valid pointer to
862 * a struct regmap.
863 */
864 #define regmap_init_spi(dev, config) \
865 __regmap_lockdep_wrapper(__regmap_init_spi, #config, \
866 dev, config)
867
868 /**
869 * regmap_init_spmi_base() - Create regmap for the Base register space
870 *
871 * @dev: SPMI device that will be interacted with
872 * @config: Configuration for register map
873 *
874 * The return value will be an ERR_PTR() on error or a valid pointer to
875 * a struct regmap.
876 */
877 #define regmap_init_spmi_base(dev, config) \
878 __regmap_lockdep_wrapper(__regmap_init_spmi_base, #config, \
879 dev, config)
880
881 /**
882 * regmap_init_spmi_ext() - Create regmap for Ext register space
883 *
884 * @dev: Device that will be interacted with
885 * @config: Configuration for register map
886 *
887 * The return value will be an ERR_PTR() on error or a valid pointer to
888 * a struct regmap.
889 */
890 #define regmap_init_spmi_ext(dev, config) \
891 __regmap_lockdep_wrapper(__regmap_init_spmi_ext, #config, \
892 dev, config)
893
894 /**
895 * regmap_init_w1() - Initialise register map
896 *
897 * @w1_dev: Device that will be interacted with
898 * @config: Configuration for register map
899 *
900 * The return value will be an ERR_PTR() on error or a valid pointer to
901 * a struct regmap.
902 */
903 #define regmap_init_w1(w1_dev, config) \
904 __regmap_lockdep_wrapper(__regmap_init_w1, #config, \
905 w1_dev, config)
906
907 /**
908 * regmap_init_mmio_clk() - Initialise register map with register clock
909 *
910 * @dev: Device that will be interacted with
911 * @clk_id: register clock consumer ID
912 * @regs: Pointer to memory-mapped IO region
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_mmio_clk(dev, clk_id, regs, config) \
919 __regmap_lockdep_wrapper(__regmap_init_mmio_clk, #config, \
920 dev, clk_id, regs, config)
921
922 /**
923 * regmap_init_mmio() - Initialise register map
924 *
925 * @dev: Device that will be interacted with
926 * @regs: Pointer to memory-mapped IO region
927 * @config: Configuration for register map
928 *
929 * The return value will be an ERR_PTR() on error or a valid pointer to
930 * a struct regmap.
931 */
932 #define regmap_init_mmio(dev, regs, config) \
933 regmap_init_mmio_clk(dev, NULL, regs, config)
934
935 /**
936 * regmap_init_ac97() - Initialise AC'97 register map
937 *
938 * @ac97: Device that will be interacted with
939 * @config: Configuration for register map
940 *
941 * The return value will be an ERR_PTR() on error or a valid pointer to
942 * a struct regmap.
943 */
944 #define regmap_init_ac97(ac97, config) \
945 __regmap_lockdep_wrapper(__regmap_init_ac97, #config, \
946 ac97, config)
947 bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
948
949 /**
950 * regmap_init_sdw() - Initialise register map
951 *
952 * @sdw: 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_sdw(sdw, config) \
959 __regmap_lockdep_wrapper(__regmap_init_sdw, #config, \
960 sdw, config)
961
962 /**
963 * regmap_init_sdw_mbq() - Initialise register map
964 *
965 * @sdw: Device that will be interacted with
966 * @config: Configuration for register map
967 *
968 * The return value will be an ERR_PTR() on error or a valid pointer to
969 * a struct regmap.
970 */
971 #define regmap_init_sdw_mbq(sdw, config) \
972 __regmap_lockdep_wrapper(__regmap_init_sdw_mbq, #config, \
973 sdw, config, NULL)
974
975 /**
976 * regmap_init_sdw_mbq_cfg() - Initialise MBQ SDW register map with config
977 *
978 * @sdw: Device that will be interacted with
979 * @config: Configuration for register map
980 * @mbq_config: Properties for the MBQ registers
981 *
982 * The return value will be an ERR_PTR() on error or a valid pointer
983 * to a struct regmap. The regmap will be automatically freed by the
984 * device management code.
985 */
986 #define regmap_init_sdw_mbq_cfg(sdw, config, mbq_config) \
987 __regmap_lockdep_wrapper(__regmap_init_sdw_mbq, #config, \
988 sdw, config, mbq_config)
989
990 /**
991 * regmap_init_spi_avmm() - Initialize register map for Intel SPI Slave
992 * to AVMM Bus Bridge
993 *
994 * @spi: Device that will be interacted with
995 * @config: Configuration for register map
996 *
997 * The return value will be an ERR_PTR() on error or a valid pointer
998 * to a struct regmap.
999 */
1000 #define regmap_init_spi_avmm(spi, config) \
1001 __regmap_lockdep_wrapper(__regmap_init_spi_avmm, #config, \
1002 spi, config)
1003
1004 /**
1005 * regmap_init_fsi() - Initialise register map
1006 *
1007 * @fsi_dev: Device that will be interacted with
1008 * @config: Configuration for register map
1009 *
1010 * The return value will be an ERR_PTR() on error or a valid pointer to
1011 * a struct regmap.
1012 */
1013 #define regmap_init_fsi(fsi_dev, config) \
1014 __regmap_lockdep_wrapper(__regmap_init_fsi, #config, fsi_dev, \
1015 config)
1016
1017 /**
1018 * devm_regmap_init() - Initialise managed register map
1019 *
1020 * @dev: Device that will be interacted with
1021 * @bus: Bus-specific callbacks to use with device
1022 * @bus_context: Data passed to bus-specific callbacks
1023 * @config: Configuration for register map
1024 *
1025 * The return value will be an ERR_PTR() on error or a valid pointer
1026 * to a struct regmap. This function should generally not be called
1027 * directly, it should be called by bus-specific init functions. The
1028 * map will be automatically freed by the device management code.
1029 */
1030 #define devm_regmap_init(dev, bus, bus_context, config) \
1031 __regmap_lockdep_wrapper(__devm_regmap_init, #config, \
1032 dev, bus, bus_context, config)
1033
1034 /**
1035 * devm_regmap_init_i2c() - Initialise managed register map
1036 *
1037 * @i2c: Device that will be interacted with
1038 * @config: Configuration for register map
1039 *
1040 * The return value will be an ERR_PTR() on error or a valid pointer
1041 * to a struct regmap. The regmap will be automatically freed by the
1042 * device management code.
1043 */
1044 #define devm_regmap_init_i2c(i2c, config) \
1045 __regmap_lockdep_wrapper(__devm_regmap_init_i2c, #config, \
1046 i2c, config)
1047
1048 /**
1049 * devm_regmap_init_mdio() - Initialise managed register map
1050 *
1051 * @mdio_dev: Device that will be interacted with
1052 * @config: Configuration for register map
1053 *
1054 * The return value will be an ERR_PTR() on error or a valid pointer
1055 * to a struct regmap. The regmap will be automatically freed by the
1056 * device management code.
1057 */
1058 #define devm_regmap_init_mdio(mdio_dev, config) \
1059 __regmap_lockdep_wrapper(__devm_regmap_init_mdio, #config, \
1060 mdio_dev, config)
1061
1062 /**
1063 * devm_regmap_init_sccb() - Initialise managed register map
1064 *
1065 * @i2c: Device that will be interacted with
1066 * @config: Configuration for register map
1067 *
1068 * The return value will be an ERR_PTR() on error or a valid pointer
1069 * to a struct regmap. The regmap will be automatically freed by the
1070 * device management code.
1071 */
1072 #define devm_regmap_init_sccb(i2c, config) \
1073 __regmap_lockdep_wrapper(__devm_regmap_init_sccb, #config, \
1074 i2c, config)
1075
1076 /**
1077 * devm_regmap_init_spi() - Initialise register map
1078 *
1079 * @dev: Device that will be interacted with
1080 * @config: Configuration for register map
1081 *
1082 * The return value will be an ERR_PTR() on error or a valid pointer
1083 * to a struct regmap. The map will be automatically freed by the
1084 * device management code.
1085 */
1086 #define devm_regmap_init_spi(dev, config) \
1087 __regmap_lockdep_wrapper(__devm_regmap_init_spi, #config, \
1088 dev, config)
1089
1090 /**
1091 * devm_regmap_init_spmi_base() - Create managed regmap for Base register space
1092 *
1093 * @dev: SPMI device that will be interacted with
1094 * @config: Configuration for register map
1095 *
1096 * The return value will be an ERR_PTR() on error or a valid pointer
1097 * to a struct regmap. The regmap will be automatically freed by the
1098 * device management code.
1099 */
1100 #define devm_regmap_init_spmi_base(dev, config) \
1101 __regmap_lockdep_wrapper(__devm_regmap_init_spmi_base, #config, \
1102 dev, config)
1103
1104 /**
1105 * devm_regmap_init_spmi_ext() - Create managed regmap for Ext register space
1106 *
1107 * @dev: SPMI device that will be interacted with
1108 * @config: Configuration for register map
1109 *
1110 * The return value will be an ERR_PTR() on error or a valid pointer
1111 * to a struct regmap. The regmap will be automatically freed by the
1112 * device management code.
1113 */
1114 #define devm_regmap_init_spmi_ext(dev, config) \
1115 __regmap_lockdep_wrapper(__devm_regmap_init_spmi_ext, #config, \
1116 dev, config)
1117
1118 /**
1119 * devm_regmap_init_w1() - Initialise managed register map
1120 *
1121 * @w1_dev: Device that will be interacted with
1122 * @config: Configuration for register map
1123 *
1124 * The return value will be an ERR_PTR() on error or a valid pointer
1125 * to a struct regmap. The regmap will be automatically freed by the
1126 * device management code.
1127 */
1128 #define devm_regmap_init_w1(w1_dev, config) \
1129 __regmap_lockdep_wrapper(__devm_regmap_init_w1, #config, \
1130 w1_dev, config)
1131 /**
1132 * devm_regmap_init_mmio_clk() - Initialise managed register map with clock
1133 *
1134 * @dev: Device that will be interacted with
1135 * @clk_id: register clock consumer ID
1136 * @regs: Pointer to memory-mapped IO region
1137 * @config: Configuration for register map
1138 *
1139 * The return value will be an ERR_PTR() on error or a valid pointer
1140 * to a struct regmap. The regmap will be automatically freed by the
1141 * device management code.
1142 */
1143 #define devm_regmap_init_mmio_clk(dev, clk_id, regs, config) \
1144 __regmap_lockdep_wrapper(__devm_regmap_init_mmio_clk, #config, \
1145 dev, clk_id, regs, config)
1146
1147 /**
1148 * devm_regmap_init_mmio() - Initialise managed register map
1149 *
1150 * @dev: Device that will be interacted with
1151 * @regs: Pointer to memory-mapped IO region
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_mmio(dev, regs, config) \
1159 devm_regmap_init_mmio_clk(dev, NULL, regs, config)
1160
1161 /**
1162 * devm_regmap_init_ac97() - Initialise AC'97 register map
1163 *
1164 * @ac97: Device that will be interacted with
1165 * @config: Configuration for register map
1166 *
1167 * The return value will be an ERR_PTR() on error or a valid pointer
1168 * to a struct regmap. The regmap will be automatically freed by the
1169 * device management code.
1170 */
1171 #define devm_regmap_init_ac97(ac97, config) \
1172 __regmap_lockdep_wrapper(__devm_regmap_init_ac97, #config, \
1173 ac97, config)
1174
1175 /**
1176 * devm_regmap_init_sdw() - Initialise managed register map
1177 *
1178 * @sdw: Device that will be interacted with
1179 * @config: Configuration for register map
1180 *
1181 * The return value will be an ERR_PTR() on error or a valid pointer
1182 * to a struct regmap. The regmap will be automatically freed by the
1183 * device management code.
1184 */
1185 #define devm_regmap_init_sdw(sdw, config) \
1186 __regmap_lockdep_wrapper(__devm_regmap_init_sdw, #config, \
1187 sdw, config)
1188
1189 /**
1190 * devm_regmap_init_sdw_mbq() - Initialise managed register map
1191 *
1192 * @sdw: Device that will be interacted with
1193 * @config: Configuration for register map
1194 *
1195 * The return value will be an ERR_PTR() on error or a valid pointer
1196 * to a struct regmap. The regmap will be automatically freed by the
1197 * device management code.
1198 */
1199 #define devm_regmap_init_sdw_mbq(sdw, config) \
1200 __regmap_lockdep_wrapper(__devm_regmap_init_sdw_mbq, #config, \
1201 sdw, config, NULL)
1202
1203 /**
1204 * devm_regmap_init_sdw_mbq_cfg() - Initialise managed MBQ SDW register map with config
1205 *
1206 * @sdw: Device that will be interacted with
1207 * @config: Configuration for register map
1208 * @mbq_config: Properties for the MBQ registers
1209 *
1210 * The return value will be an ERR_PTR() on error or a valid pointer
1211 * to a struct regmap. The regmap will be automatically freed by the
1212 * device management code.
1213 */
1214 #define devm_regmap_init_sdw_mbq_cfg(sdw, config, mbq_config) \
1215 __regmap_lockdep_wrapper(__devm_regmap_init_sdw_mbq, \
1216 #config, sdw, config, mbq_config)
1217
1218 /**
1219 * devm_regmap_init_slimbus() - Initialise managed register map
1220 *
1221 * @slimbus: Device that will be interacted with
1222 * @config: Configuration for register map
1223 *
1224 * The return value will be an ERR_PTR() on error or a valid pointer
1225 * to a struct regmap. The regmap will be automatically freed by the
1226 * device management code.
1227 */
1228 #define devm_regmap_init_slimbus(slimbus, config) \
1229 __regmap_lockdep_wrapper(__devm_regmap_init_slimbus, #config, \
1230 slimbus, config)
1231
1232 /**
1233 * devm_regmap_init_i3c() - Initialise managed register map
1234 *
1235 * @i3c: Device that will be interacted with
1236 * @config: Configuration for register map
1237 *
1238 * The return value will be an ERR_PTR() on error or a valid pointer
1239 * to a struct regmap. The regmap will be automatically freed by the
1240 * device management code.
1241 */
1242 #define devm_regmap_init_i3c(i3c, config) \
1243 __regmap_lockdep_wrapper(__devm_regmap_init_i3c, #config, \
1244 i3c, config)
1245
1246 /**
1247 * devm_regmap_init_spi_avmm() - Initialize register map for Intel SPI Slave
1248 * to AVMM Bus Bridge
1249 *
1250 * @spi: Device that will be interacted with
1251 * @config: Configuration for register map
1252 *
1253 * The return value will be an ERR_PTR() on error or a valid pointer
1254 * to a struct regmap. The map will be automatically freed by the
1255 * device management code.
1256 */
1257 #define devm_regmap_init_spi_avmm(spi, config) \
1258 __regmap_lockdep_wrapper(__devm_regmap_init_spi_avmm, #config, \
1259 spi, config)
1260
1261 /**
1262 * devm_regmap_init_fsi() - Initialise managed register map
1263 *
1264 * @fsi_dev: Device that will be interacted with
1265 * @config: Configuration for register map
1266 *
1267 * The return value will be an ERR_PTR() on error or a valid pointer
1268 * to a struct regmap. The regmap will be automatically freed by the
1269 * device management code.
1270 */
1271 #define devm_regmap_init_fsi(fsi_dev, config) \
1272 __regmap_lockdep_wrapper(__devm_regmap_init_fsi, #config, \
1273 fsi_dev, config)
1274
1275 int regmap_mmio_attach_clk(struct regmap *map, struct clk *clk);
1276 void regmap_mmio_detach_clk(struct regmap *map);
1277 void regmap_exit(struct regmap *map);
1278 int regmap_reinit_cache(struct regmap *map,
1279 const struct regmap_config *config);
1280 struct regmap *dev_get_regmap(struct device *dev, const char *name);
1281 struct device *regmap_get_device(struct regmap *map);
1282 int regmap_write(struct regmap *map, unsigned int reg, unsigned int val);
1283 int regmap_write_async(struct regmap *map, unsigned int reg, unsigned int val);
1284 int regmap_raw_write(struct regmap *map, unsigned int reg,
1285 const void *val, size_t val_len);
1286 int regmap_noinc_write(struct regmap *map, unsigned int reg,
1287 const void *val, size_t val_len);
1288 int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
1289 size_t val_count);
1290 int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs,
1291 int num_regs);
1292 int regmap_multi_reg_write_bypassed(struct regmap *map,
1293 const struct reg_sequence *regs,
1294 int num_regs);
1295 int regmap_raw_write_async(struct regmap *map, unsigned int reg,
1296 const void *val, size_t val_len);
1297 int regmap_read(struct regmap *map, unsigned int reg, unsigned int *val);
1298 int regmap_read_bypassed(struct regmap *map, unsigned int reg, unsigned int *val);
1299 int regmap_raw_read(struct regmap *map, unsigned int reg,
1300 void *val, size_t val_len);
1301 int regmap_noinc_read(struct regmap *map, unsigned int reg,
1302 void *val, size_t val_len);
1303 int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
1304 size_t val_count);
1305 int regmap_multi_reg_read(struct regmap *map, const unsigned int *reg, void *val,
1306 size_t val_count);
1307 int regmap_update_bits_base(struct regmap *map, unsigned int reg,
1308 unsigned int mask, unsigned int val,
1309 bool *change, bool async, bool force);
1310
regmap_update_bits(struct regmap * map,unsigned int reg,unsigned int mask,unsigned int val)1311 static inline int regmap_update_bits(struct regmap *map, unsigned int reg,
1312 unsigned int mask, unsigned int val)
1313 {
1314 return regmap_update_bits_base(map, reg, mask, val, NULL, false, false);
1315 }
1316
regmap_update_bits_async(struct regmap * map,unsigned int reg,unsigned int mask,unsigned int val)1317 static inline int regmap_update_bits_async(struct regmap *map, unsigned int reg,
1318 unsigned int mask, unsigned int val)
1319 {
1320 return regmap_update_bits_base(map, reg, mask, val, NULL, true, false);
1321 }
1322
regmap_update_bits_check(struct regmap * map,unsigned int reg,unsigned int mask,unsigned int val,bool * change)1323 static inline int regmap_update_bits_check(struct regmap *map, unsigned int reg,
1324 unsigned int mask, unsigned int val,
1325 bool *change)
1326 {
1327 return regmap_update_bits_base(map, reg, mask, val,
1328 change, false, false);
1329 }
1330
1331 static inline int
regmap_update_bits_check_async(struct regmap * map,unsigned int reg,unsigned int mask,unsigned int val,bool * change)1332 regmap_update_bits_check_async(struct regmap *map, unsigned int reg,
1333 unsigned int mask, unsigned int val,
1334 bool *change)
1335 {
1336 return regmap_update_bits_base(map, reg, mask, val,
1337 change, true, false);
1338 }
1339
regmap_write_bits(struct regmap * map,unsigned int reg,unsigned int mask,unsigned int val)1340 static inline int regmap_write_bits(struct regmap *map, unsigned int reg,
1341 unsigned int mask, unsigned int val)
1342 {
1343 return regmap_update_bits_base(map, reg, mask, val, NULL, false, true);
1344 }
1345
1346 int regmap_get_val_bytes(struct regmap *map);
1347 int regmap_get_max_register(struct regmap *map);
1348 int regmap_get_reg_stride(struct regmap *map);
1349 bool regmap_might_sleep(struct regmap *map);
1350 int regmap_async_complete(struct regmap *map);
1351 bool regmap_can_raw_write(struct regmap *map);
1352 size_t regmap_get_raw_read_max(struct regmap *map);
1353 size_t regmap_get_raw_write_max(struct regmap *map);
1354
1355 int regcache_sync(struct regmap *map);
1356 int regcache_sync_region(struct regmap *map, unsigned int min,
1357 unsigned int max);
1358 int regcache_drop_region(struct regmap *map, unsigned int min,
1359 unsigned int max);
1360 void regcache_cache_only(struct regmap *map, bool enable);
1361 void regcache_cache_bypass(struct regmap *map, bool enable);
1362 void regcache_mark_dirty(struct regmap *map);
1363 bool regcache_reg_cached(struct regmap *map, unsigned int reg);
1364
1365 bool regmap_check_range_table(struct regmap *map, unsigned int reg,
1366 const struct regmap_access_table *table);
1367
1368 int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs,
1369 int num_regs);
1370 int regmap_parse_val(struct regmap *map, const void *buf,
1371 unsigned int *val);
1372
regmap_reg_in_range(unsigned int reg,const struct regmap_range * range)1373 static inline bool regmap_reg_in_range(unsigned int reg,
1374 const struct regmap_range *range)
1375 {
1376 return reg >= range->range_min && reg <= range->range_max;
1377 }
1378
1379 bool regmap_reg_in_ranges(unsigned int reg,
1380 const struct regmap_range *ranges,
1381 unsigned int nranges);
1382
regmap_set_bits(struct regmap * map,unsigned int reg,unsigned int bits)1383 static inline int regmap_set_bits(struct regmap *map,
1384 unsigned int reg, unsigned int bits)
1385 {
1386 return regmap_update_bits_base(map, reg, bits, bits,
1387 NULL, false, false);
1388 }
1389
regmap_clear_bits(struct regmap * map,unsigned int reg,unsigned int bits)1390 static inline int regmap_clear_bits(struct regmap *map,
1391 unsigned int reg, unsigned int bits)
1392 {
1393 return regmap_update_bits_base(map, reg, bits, 0, NULL, false, false);
1394 }
1395
regmap_assign_bits(struct regmap * map,unsigned int reg,unsigned int bits,bool value)1396 static inline int regmap_assign_bits(struct regmap *map, unsigned int reg,
1397 unsigned int bits, bool value)
1398 {
1399 if (value)
1400 return regmap_set_bits(map, reg, bits);
1401 else
1402 return regmap_clear_bits(map, reg, bits);
1403 }
1404
1405 int regmap_test_bits(struct regmap *map, unsigned int reg, unsigned int bits);
1406
1407 /**
1408 * struct reg_field - Description of an register field
1409 *
1410 * @reg: Offset of the register within the regmap bank
1411 * @lsb: lsb of the register field.
1412 * @msb: msb of the register field.
1413 * @id_size: port size if it has some ports
1414 * @id_offset: address offset for each ports
1415 */
1416 struct reg_field {
1417 unsigned int reg;
1418 unsigned int lsb;
1419 unsigned int msb;
1420 unsigned int id_size;
1421 unsigned int id_offset;
1422 };
1423
1424 #define REG_FIELD(_reg, _lsb, _msb) { \
1425 .reg = _reg, \
1426 .lsb = _lsb, \
1427 .msb = _msb, \
1428 }
1429
1430 #define REG_FIELD_ID(_reg, _lsb, _msb, _size, _offset) { \
1431 .reg = _reg, \
1432 .lsb = _lsb, \
1433 .msb = _msb, \
1434 .id_size = _size, \
1435 .id_offset = _offset, \
1436 }
1437
1438 struct regmap_field *regmap_field_alloc(struct regmap *regmap,
1439 struct reg_field reg_field);
1440 void regmap_field_free(struct regmap_field *field);
1441
1442 struct regmap_field *devm_regmap_field_alloc(struct device *dev,
1443 struct regmap *regmap, struct reg_field reg_field);
1444 void devm_regmap_field_free(struct device *dev, struct regmap_field *field);
1445
1446 int regmap_field_bulk_alloc(struct regmap *regmap,
1447 struct regmap_field **rm_field,
1448 const struct reg_field *reg_field,
1449 int num_fields);
1450 void regmap_field_bulk_free(struct regmap_field *field);
1451 int devm_regmap_field_bulk_alloc(struct device *dev, struct regmap *regmap,
1452 struct regmap_field **field,
1453 const struct reg_field *reg_field,
1454 int num_fields);
1455 void devm_regmap_field_bulk_free(struct device *dev,
1456 struct regmap_field *field);
1457
1458 int regmap_field_read(struct regmap_field *field, unsigned int *val);
1459 int regmap_field_update_bits_base(struct regmap_field *field,
1460 unsigned int mask, unsigned int val,
1461 bool *change, bool async, bool force);
1462 int regmap_fields_read(struct regmap_field *field, unsigned int id,
1463 unsigned int *val);
1464 int regmap_fields_update_bits_base(struct regmap_field *field, unsigned int id,
1465 unsigned int mask, unsigned int val,
1466 bool *change, bool async, bool force);
1467
regmap_field_write(struct regmap_field * field,unsigned int val)1468 static inline int regmap_field_write(struct regmap_field *field,
1469 unsigned int val)
1470 {
1471 return regmap_field_update_bits_base(field, ~0, val,
1472 NULL, false, false);
1473 }
1474
regmap_field_force_write(struct regmap_field * field,unsigned int val)1475 static inline int regmap_field_force_write(struct regmap_field *field,
1476 unsigned int val)
1477 {
1478 return regmap_field_update_bits_base(field, ~0, val, NULL, false, true);
1479 }
1480
regmap_field_update_bits(struct regmap_field * field,unsigned int mask,unsigned int val)1481 static inline int regmap_field_update_bits(struct regmap_field *field,
1482 unsigned int mask, unsigned int val)
1483 {
1484 return regmap_field_update_bits_base(field, mask, val,
1485 NULL, false, false);
1486 }
1487
regmap_field_set_bits(struct regmap_field * field,unsigned int bits)1488 static inline int regmap_field_set_bits(struct regmap_field *field,
1489 unsigned int bits)
1490 {
1491 return regmap_field_update_bits_base(field, bits, bits, NULL, false,
1492 false);
1493 }
1494
regmap_field_clear_bits(struct regmap_field * field,unsigned int bits)1495 static inline int regmap_field_clear_bits(struct regmap_field *field,
1496 unsigned int bits)
1497 {
1498 return regmap_field_update_bits_base(field, bits, 0, NULL, false,
1499 false);
1500 }
1501
1502 int regmap_field_test_bits(struct regmap_field *field, unsigned int bits);
1503
1504 static inline int
regmap_field_force_update_bits(struct regmap_field * field,unsigned int mask,unsigned int val)1505 regmap_field_force_update_bits(struct regmap_field *field,
1506 unsigned int mask, unsigned int val)
1507 {
1508 return regmap_field_update_bits_base(field, mask, val,
1509 NULL, false, true);
1510 }
1511
regmap_fields_write(struct regmap_field * field,unsigned int id,unsigned int val)1512 static inline int regmap_fields_write(struct regmap_field *field,
1513 unsigned int id, unsigned int val)
1514 {
1515 return regmap_fields_update_bits_base(field, id, ~0, val,
1516 NULL, false, false);
1517 }
1518
regmap_fields_force_write(struct regmap_field * field,unsigned int id,unsigned int val)1519 static inline int regmap_fields_force_write(struct regmap_field *field,
1520 unsigned int id, unsigned int val)
1521 {
1522 return regmap_fields_update_bits_base(field, id, ~0, val,
1523 NULL, false, true);
1524 }
1525
1526 static inline int
regmap_fields_update_bits(struct regmap_field * field,unsigned int id,unsigned int mask,unsigned int val)1527 regmap_fields_update_bits(struct regmap_field *field, unsigned int id,
1528 unsigned int mask, unsigned int val)
1529 {
1530 return regmap_fields_update_bits_base(field, id, mask, val,
1531 NULL, false, false);
1532 }
1533
1534 static inline int
regmap_fields_force_update_bits(struct regmap_field * field,unsigned int id,unsigned int mask,unsigned int val)1535 regmap_fields_force_update_bits(struct regmap_field *field, unsigned int id,
1536 unsigned int mask, unsigned int val)
1537 {
1538 return regmap_fields_update_bits_base(field, id, mask, val,
1539 NULL, false, true);
1540 }
1541
1542 /**
1543 * struct regmap_irq_type - IRQ type definitions.
1544 *
1545 * @type_reg_offset: Offset register for the irq type setting.
1546 * @type_rising_val: Register value to configure RISING type irq.
1547 * @type_falling_val: Register value to configure FALLING type irq.
1548 * @type_level_low_val: Register value to configure LEVEL_LOW type irq.
1549 * @type_level_high_val: Register value to configure LEVEL_HIGH type irq.
1550 * @types_supported: logical OR of IRQ_TYPE_* flags indicating supported types.
1551 */
1552 struct regmap_irq_type {
1553 unsigned int type_reg_offset;
1554 unsigned int type_reg_mask;
1555 unsigned int type_rising_val;
1556 unsigned int type_falling_val;
1557 unsigned int type_level_low_val;
1558 unsigned int type_level_high_val;
1559 unsigned int types_supported;
1560 };
1561
1562 /**
1563 * struct regmap_irq - Description of an IRQ for the generic regmap irq_chip.
1564 *
1565 * @reg_offset: Offset of the status/mask register within the bank
1566 * @mask: Mask used to flag/control the register.
1567 * @type: IRQ trigger type setting details if supported.
1568 */
1569 struct regmap_irq {
1570 unsigned int reg_offset;
1571 unsigned int mask;
1572 struct regmap_irq_type type;
1573 };
1574
1575 #define REGMAP_IRQ_REG(_irq, _off, _mask) \
1576 [_irq] = { .reg_offset = (_off), .mask = (_mask) }
1577
1578 #define REGMAP_IRQ_REG_LINE(_id, _reg_bits) \
1579 [_id] = { \
1580 .mask = BIT((_id) % (_reg_bits)), \
1581 .reg_offset = (_id) / (_reg_bits), \
1582 }
1583
1584 #define REGMAP_IRQ_MAIN_REG_OFFSET(arr) \
1585 { .num_regs = ARRAY_SIZE((arr)), .offset = &(arr)[0] }
1586
1587 struct regmap_irq_sub_irq_map {
1588 unsigned int num_regs;
1589 unsigned int *offset;
1590 };
1591
1592 struct regmap_irq_chip_data;
1593
1594 /**
1595 * struct regmap_irq_chip - Description of a generic regmap irq_chip.
1596 *
1597 * @name: Descriptive name for IRQ controller.
1598 * @domain_suffix: Name suffix to be appended to end of IRQ domain name. Needed
1599 * when multiple regmap-IRQ controllers are created from same
1600 * device.
1601 *
1602 * @main_status: Base main status register address. For chips which have
1603 * interrupts arranged in separate sub-irq blocks with own IRQ
1604 * registers and which have a main IRQ registers indicating
1605 * sub-irq blocks with unhandled interrupts. For such chips fill
1606 * sub-irq register information in status_base, mask_base and
1607 * ack_base.
1608 * @num_main_status_bits: Should be given to chips where number of meaningfull
1609 * main status bits differs from num_regs.
1610 * @sub_reg_offsets: arrays of mappings from main register bits to sub irq
1611 * registers. First item in array describes the registers
1612 * for first main status bit. Second array for second bit etc.
1613 * Offset is given as sub register status offset to
1614 * status_base. Should contain num_regs arrays.
1615 * Can be provided for chips with more complex mapping than
1616 * 1.st bit to 1.st sub-reg, 2.nd bit to 2.nd sub-reg, ...
1617 * @num_main_regs: Number of 'main status' irq registers for chips which have
1618 * main_status set.
1619 *
1620 * @status_base: Base status register address.
1621 * @mask_base: Base mask register address. Mask bits are set to 1 when an
1622 * interrupt is masked, 0 when unmasked.
1623 * @unmask_base: Base unmask register address. Unmask bits are set to 1 when
1624 * an interrupt is unmasked and 0 when masked.
1625 * @ack_base: Base ack address. If zero then the chip is clear on read.
1626 * Using zero value is possible with @use_ack bit.
1627 * @wake_base: Base address for wake enables. If zero unsupported.
1628 * @config_base: Base address for IRQ type config regs. If null unsupported.
1629 * @irq_reg_stride: Stride to use for chips where registers are not contiguous.
1630 * @init_ack_masked: Ack all masked interrupts once during initalization.
1631 * @mask_unmask_non_inverted: Controls mask bit inversion for chips that set
1632 * both @mask_base and @unmask_base. If false, mask and unmask bits are
1633 * inverted (which is deprecated behavior); if true, bits will not be
1634 * inverted and the registers keep their normal behavior. Note that if
1635 * you use only one of @mask_base or @unmask_base, this flag has no
1636 * effect and is unnecessary. Any new drivers that set both @mask_base
1637 * and @unmask_base should set this to true to avoid relying on the
1638 * deprecated behavior.
1639 * @use_ack: Use @ack register even if it is zero.
1640 * @ack_invert: Inverted ack register: cleared bits for ack.
1641 * @clear_ack: Use this to set 1 and 0 or vice-versa to clear interrupts.
1642 * @status_invert: Inverted status register: cleared bits are active interrupts.
1643 * @wake_invert: Inverted wake register: cleared bits are wake enabled.
1644 * @type_in_mask: Use the mask registers for controlling irq type. Use this if
1645 * the hardware provides separate bits for rising/falling edge
1646 * or low/high level interrupts and they should be combined into
1647 * a single logical interrupt. Use &struct regmap_irq_type data
1648 * to define the mask bit for each irq type.
1649 * @clear_on_unmask: For chips with interrupts cleared on read: read the status
1650 * registers before unmasking interrupts to clear any bits
1651 * set when they were masked.
1652 * @runtime_pm: Hold a runtime PM lock on the device when accessing it.
1653 * @no_status: No status register: all interrupts assumed generated by device.
1654 *
1655 * @num_regs: Number of registers in each control bank.
1656 *
1657 * @irqs: Descriptors for individual IRQs. Interrupt numbers are
1658 * assigned based on the index in the array of the interrupt.
1659 * @num_irqs: Number of descriptors.
1660 * @num_config_bases: Number of config base registers.
1661 * @num_config_regs: Number of config registers for each config base register.
1662 *
1663 * @handle_pre_irq: Driver specific callback to handle interrupt from device
1664 * before regmap_irq_handler process the interrupts.
1665 * @handle_post_irq: Driver specific callback to handle interrupt from device
1666 * after handling the interrupts in regmap_irq_handler().
1667 * @handle_mask_sync: Callback used to handle IRQ mask syncs. The index will be
1668 * in the range [0, num_regs)
1669 * @set_type_config: Callback used for configuring irq types.
1670 * @get_irq_reg: Callback for mapping (base register, index) pairs to register
1671 * addresses. The base register will be one of @status_base,
1672 * @mask_base, etc., @main_status, or any of @config_base.
1673 * The index will be in the range [0, num_main_regs[ for the
1674 * main status base, [0, num_config_regs[ for any config
1675 * register base, and [0, num_regs[ for any other base.
1676 * If unspecified then regmap_irq_get_irq_reg_linear() is used.
1677 * @irq_drv_data: Driver specific IRQ data which is passed as parameter when
1678 * driver specific pre/post interrupt handler is called.
1679 *
1680 * This is not intended to handle every possible interrupt controller, but
1681 * it should handle a substantial proportion of those that are found in the
1682 * wild.
1683 */
1684 struct regmap_irq_chip {
1685 const char *name;
1686 const char *domain_suffix;
1687
1688 unsigned int main_status;
1689 unsigned int num_main_status_bits;
1690 const struct regmap_irq_sub_irq_map *sub_reg_offsets;
1691 int num_main_regs;
1692
1693 unsigned int status_base;
1694 unsigned int mask_base;
1695 unsigned int unmask_base;
1696 unsigned int ack_base;
1697 unsigned int wake_base;
1698 const unsigned int *config_base;
1699 unsigned int irq_reg_stride;
1700 unsigned int init_ack_masked:1;
1701 unsigned int mask_unmask_non_inverted:1;
1702 unsigned int use_ack:1;
1703 unsigned int ack_invert:1;
1704 unsigned int clear_ack:1;
1705 unsigned int status_invert:1;
1706 unsigned int wake_invert:1;
1707 unsigned int type_in_mask:1;
1708 unsigned int clear_on_unmask:1;
1709 unsigned int runtime_pm:1;
1710 unsigned int no_status:1;
1711
1712 int num_regs;
1713
1714 const struct regmap_irq *irqs;
1715 int num_irqs;
1716
1717 int num_config_bases;
1718 int num_config_regs;
1719
1720 int (*handle_pre_irq)(void *irq_drv_data);
1721 int (*handle_post_irq)(void *irq_drv_data);
1722 int (*handle_mask_sync)(int index, unsigned int mask_buf_def,
1723 unsigned int mask_buf, void *irq_drv_data);
1724 int (*set_type_config)(unsigned int **buf, unsigned int type,
1725 const struct regmap_irq *irq_data, int idx,
1726 void *irq_drv_data);
1727 unsigned int (*get_irq_reg)(struct regmap_irq_chip_data *data,
1728 unsigned int base, int index);
1729 void *irq_drv_data;
1730 };
1731
1732 unsigned int regmap_irq_get_irq_reg_linear(struct regmap_irq_chip_data *data,
1733 unsigned int base, int index);
1734 int regmap_irq_set_type_config_simple(unsigned int **buf, unsigned int type,
1735 const struct regmap_irq *irq_data,
1736 int idx, void *irq_drv_data);
1737
1738 int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
1739 int irq_base, const struct regmap_irq_chip *chip,
1740 struct regmap_irq_chip_data **data);
1741 int regmap_add_irq_chip_fwnode(struct fwnode_handle *fwnode,
1742 struct regmap *map, int irq,
1743 int irq_flags, int irq_base,
1744 const struct regmap_irq_chip *chip,
1745 struct regmap_irq_chip_data **data);
1746 void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *data);
1747
1748 int devm_regmap_add_irq_chip(struct device *dev, struct regmap *map, int irq,
1749 int irq_flags, int irq_base,
1750 const struct regmap_irq_chip *chip,
1751 struct regmap_irq_chip_data **data);
1752 int devm_regmap_add_irq_chip_fwnode(struct device *dev,
1753 struct fwnode_handle *fwnode,
1754 struct regmap *map, int irq,
1755 int irq_flags, int irq_base,
1756 const struct regmap_irq_chip *chip,
1757 struct regmap_irq_chip_data **data);
1758 void devm_regmap_del_irq_chip(struct device *dev, int irq,
1759 struct regmap_irq_chip_data *data);
1760
1761 int regmap_irq_chip_get_base(struct regmap_irq_chip_data *data);
1762 int regmap_irq_get_virq(struct regmap_irq_chip_data *data, int irq);
1763 struct irq_domain *regmap_irq_get_domain(struct regmap_irq_chip_data *data);
1764
1765 #else
1766
1767 /*
1768 * These stubs should only ever be called by generic code which has
1769 * regmap based facilities, if they ever get called at runtime
1770 * something is going wrong and something probably needs to select
1771 * REGMAP.
1772 */
1773
regmap_write(struct regmap * map,unsigned int reg,unsigned int val)1774 static inline int regmap_write(struct regmap *map, unsigned int reg,
1775 unsigned int val)
1776 {
1777 WARN_ONCE(1, "regmap API is disabled");
1778 return -EINVAL;
1779 }
1780
regmap_write_async(struct regmap * map,unsigned int reg,unsigned int val)1781 static inline int regmap_write_async(struct regmap *map, unsigned int reg,
1782 unsigned int val)
1783 {
1784 WARN_ONCE(1, "regmap API is disabled");
1785 return -EINVAL;
1786 }
1787
regmap_raw_write(struct regmap * map,unsigned int reg,const void * val,size_t val_len)1788 static inline int regmap_raw_write(struct regmap *map, unsigned int reg,
1789 const void *val, size_t val_len)
1790 {
1791 WARN_ONCE(1, "regmap API is disabled");
1792 return -EINVAL;
1793 }
1794
regmap_raw_write_async(struct regmap * map,unsigned int reg,const void * val,size_t val_len)1795 static inline int regmap_raw_write_async(struct regmap *map, unsigned int reg,
1796 const void *val, size_t val_len)
1797 {
1798 WARN_ONCE(1, "regmap API is disabled");
1799 return -EINVAL;
1800 }
1801
regmap_noinc_write(struct regmap * map,unsigned int reg,const void * val,size_t val_len)1802 static inline int regmap_noinc_write(struct regmap *map, unsigned int reg,
1803 const void *val, size_t val_len)
1804 {
1805 WARN_ONCE(1, "regmap API is disabled");
1806 return -EINVAL;
1807 }
1808
regmap_bulk_write(struct regmap * map,unsigned int reg,const void * val,size_t val_count)1809 static inline int regmap_bulk_write(struct regmap *map, unsigned int reg,
1810 const void *val, size_t val_count)
1811 {
1812 WARN_ONCE(1, "regmap API is disabled");
1813 return -EINVAL;
1814 }
1815
regmap_read(struct regmap * map,unsigned int reg,unsigned int * val)1816 static inline int regmap_read(struct regmap *map, unsigned int reg,
1817 unsigned int *val)
1818 {
1819 WARN_ONCE(1, "regmap API is disabled");
1820 return -EINVAL;
1821 }
1822
regmap_read_bypassed(struct regmap * map,unsigned int reg,unsigned int * val)1823 static inline int regmap_read_bypassed(struct regmap *map, unsigned int reg,
1824 unsigned int *val)
1825 {
1826 WARN_ONCE(1, "regmap API is disabled");
1827 return -EINVAL;
1828 }
1829
regmap_raw_read(struct regmap * map,unsigned int reg,void * val,size_t val_len)1830 static inline int regmap_raw_read(struct regmap *map, unsigned int reg,
1831 void *val, size_t val_len)
1832 {
1833 WARN_ONCE(1, "regmap API is disabled");
1834 return -EINVAL;
1835 }
1836
regmap_noinc_read(struct regmap * map,unsigned int reg,void * val,size_t val_len)1837 static inline int regmap_noinc_read(struct regmap *map, unsigned int reg,
1838 void *val, size_t val_len)
1839 {
1840 WARN_ONCE(1, "regmap API is disabled");
1841 return -EINVAL;
1842 }
1843
regmap_bulk_read(struct regmap * map,unsigned int reg,void * val,size_t val_count)1844 static inline int regmap_bulk_read(struct regmap *map, unsigned int reg,
1845 void *val, size_t val_count)
1846 {
1847 WARN_ONCE(1, "regmap API is disabled");
1848 return -EINVAL;
1849 }
1850
regmap_update_bits_base(struct regmap * map,unsigned int reg,unsigned int mask,unsigned int val,bool * change,bool async,bool force)1851 static inline int regmap_update_bits_base(struct regmap *map, unsigned int reg,
1852 unsigned int mask, unsigned int val,
1853 bool *change, bool async, bool force)
1854 {
1855 WARN_ONCE(1, "regmap API is disabled");
1856 return -EINVAL;
1857 }
1858
regmap_set_bits(struct regmap * map,unsigned int reg,unsigned int bits)1859 static inline int regmap_set_bits(struct regmap *map,
1860 unsigned int reg, unsigned int bits)
1861 {
1862 WARN_ONCE(1, "regmap API is disabled");
1863 return -EINVAL;
1864 }
1865
regmap_clear_bits(struct regmap * map,unsigned int reg,unsigned int bits)1866 static inline int regmap_clear_bits(struct regmap *map,
1867 unsigned int reg, unsigned int bits)
1868 {
1869 WARN_ONCE(1, "regmap API is disabled");
1870 return -EINVAL;
1871 }
1872
regmap_assign_bits(struct regmap * map,unsigned int reg,unsigned int bits,bool value)1873 static inline int regmap_assign_bits(struct regmap *map, unsigned int reg,
1874 unsigned int bits, bool value)
1875 {
1876 WARN_ONCE(1, "regmap API is disabled");
1877 return -EINVAL;
1878 }
1879
regmap_test_bits(struct regmap * map,unsigned int reg,unsigned int bits)1880 static inline int regmap_test_bits(struct regmap *map,
1881 unsigned int reg, unsigned int bits)
1882 {
1883 WARN_ONCE(1, "regmap API is disabled");
1884 return -EINVAL;
1885 }
1886
regmap_field_update_bits_base(struct regmap_field * field,unsigned int mask,unsigned int val,bool * change,bool async,bool force)1887 static inline int regmap_field_update_bits_base(struct regmap_field *field,
1888 unsigned int mask, unsigned int val,
1889 bool *change, bool async, bool force)
1890 {
1891 WARN_ONCE(1, "regmap API is disabled");
1892 return -EINVAL;
1893 }
1894
regmap_fields_update_bits_base(struct regmap_field * field,unsigned int id,unsigned int mask,unsigned int val,bool * change,bool async,bool force)1895 static inline int regmap_fields_update_bits_base(struct regmap_field *field,
1896 unsigned int id,
1897 unsigned int mask, unsigned int val,
1898 bool *change, bool async, bool force)
1899 {
1900 WARN_ONCE(1, "regmap API is disabled");
1901 return -EINVAL;
1902 }
1903
regmap_update_bits(struct regmap * map,unsigned int reg,unsigned int mask,unsigned int val)1904 static inline int regmap_update_bits(struct regmap *map, unsigned int reg,
1905 unsigned int mask, unsigned int val)
1906 {
1907 WARN_ONCE(1, "regmap API is disabled");
1908 return -EINVAL;
1909 }
1910
regmap_update_bits_async(struct regmap * map,unsigned int reg,unsigned int mask,unsigned int val)1911 static inline int regmap_update_bits_async(struct regmap *map, unsigned int reg,
1912 unsigned int mask, unsigned int val)
1913 {
1914 WARN_ONCE(1, "regmap API is disabled");
1915 return -EINVAL;
1916 }
1917
regmap_update_bits_check(struct regmap * map,unsigned int reg,unsigned int mask,unsigned int val,bool * change)1918 static inline int regmap_update_bits_check(struct regmap *map, unsigned int reg,
1919 unsigned int mask, unsigned int val,
1920 bool *change)
1921 {
1922 WARN_ONCE(1, "regmap API is disabled");
1923 return -EINVAL;
1924 }
1925
1926 static inline int
regmap_update_bits_check_async(struct regmap * map,unsigned int reg,unsigned int mask,unsigned int val,bool * change)1927 regmap_update_bits_check_async(struct regmap *map, unsigned int reg,
1928 unsigned int mask, unsigned int val,
1929 bool *change)
1930 {
1931 WARN_ONCE(1, "regmap API is disabled");
1932 return -EINVAL;
1933 }
1934
regmap_write_bits(struct regmap * map,unsigned int reg,unsigned int mask,unsigned int val)1935 static inline int regmap_write_bits(struct regmap *map, unsigned int reg,
1936 unsigned int mask, unsigned int val)
1937 {
1938 WARN_ONCE(1, "regmap API is disabled");
1939 return -EINVAL;
1940 }
1941
regmap_field_write(struct regmap_field * field,unsigned int val)1942 static inline int regmap_field_write(struct regmap_field *field,
1943 unsigned int val)
1944 {
1945 WARN_ONCE(1, "regmap API is disabled");
1946 return -EINVAL;
1947 }
1948
regmap_field_force_write(struct regmap_field * field,unsigned int val)1949 static inline int regmap_field_force_write(struct regmap_field *field,
1950 unsigned int val)
1951 {
1952 WARN_ONCE(1, "regmap API is disabled");
1953 return -EINVAL;
1954 }
1955
regmap_field_update_bits(struct regmap_field * field,unsigned int mask,unsigned int val)1956 static inline int regmap_field_update_bits(struct regmap_field *field,
1957 unsigned int mask, unsigned int val)
1958 {
1959 WARN_ONCE(1, "regmap API is disabled");
1960 return -EINVAL;
1961 }
1962
1963 static inline int
regmap_field_force_update_bits(struct regmap_field * field,unsigned int mask,unsigned int val)1964 regmap_field_force_update_bits(struct regmap_field *field,
1965 unsigned int mask, unsigned int val)
1966 {
1967 WARN_ONCE(1, "regmap API is disabled");
1968 return -EINVAL;
1969 }
1970
regmap_field_set_bits(struct regmap_field * field,unsigned int bits)1971 static inline int regmap_field_set_bits(struct regmap_field *field,
1972 unsigned int bits)
1973 {
1974 WARN_ONCE(1, "regmap API is disabled");
1975 return -EINVAL;
1976 }
1977
regmap_field_clear_bits(struct regmap_field * field,unsigned int bits)1978 static inline int regmap_field_clear_bits(struct regmap_field *field,
1979 unsigned int bits)
1980 {
1981 WARN_ONCE(1, "regmap API is disabled");
1982 return -EINVAL;
1983 }
1984
regmap_field_test_bits(struct regmap_field * field,unsigned int bits)1985 static inline int regmap_field_test_bits(struct regmap_field *field,
1986 unsigned int bits)
1987 {
1988 WARN_ONCE(1, "regmap API is disabled");
1989 return -EINVAL;
1990 }
1991
regmap_fields_write(struct regmap_field * field,unsigned int id,unsigned int val)1992 static inline int regmap_fields_write(struct regmap_field *field,
1993 unsigned int id, unsigned int val)
1994 {
1995 WARN_ONCE(1, "regmap API is disabled");
1996 return -EINVAL;
1997 }
1998
regmap_fields_force_write(struct regmap_field * field,unsigned int id,unsigned int val)1999 static inline int regmap_fields_force_write(struct regmap_field *field,
2000 unsigned int id, unsigned int val)
2001 {
2002 WARN_ONCE(1, "regmap API is disabled");
2003 return -EINVAL;
2004 }
2005
2006 static inline int
regmap_fields_update_bits(struct regmap_field * field,unsigned int id,unsigned int mask,unsigned int val)2007 regmap_fields_update_bits(struct regmap_field *field, unsigned int id,
2008 unsigned int mask, unsigned int val)
2009 {
2010 WARN_ONCE(1, "regmap API is disabled");
2011 return -EINVAL;
2012 }
2013
2014 static inline int
regmap_fields_force_update_bits(struct regmap_field * field,unsigned int id,unsigned int mask,unsigned int val)2015 regmap_fields_force_update_bits(struct regmap_field *field, unsigned int id,
2016 unsigned int mask, unsigned int val)
2017 {
2018 WARN_ONCE(1, "regmap API is disabled");
2019 return -EINVAL;
2020 }
2021
regmap_get_val_bytes(struct regmap * map)2022 static inline int regmap_get_val_bytes(struct regmap *map)
2023 {
2024 WARN_ONCE(1, "regmap API is disabled");
2025 return -EINVAL;
2026 }
2027
regmap_get_max_register(struct regmap * map)2028 static inline int regmap_get_max_register(struct regmap *map)
2029 {
2030 WARN_ONCE(1, "regmap API is disabled");
2031 return -EINVAL;
2032 }
2033
regmap_get_reg_stride(struct regmap * map)2034 static inline int regmap_get_reg_stride(struct regmap *map)
2035 {
2036 WARN_ONCE(1, "regmap API is disabled");
2037 return -EINVAL;
2038 }
2039
regmap_might_sleep(struct regmap * map)2040 static inline bool regmap_might_sleep(struct regmap *map)
2041 {
2042 WARN_ONCE(1, "regmap API is disabled");
2043 return true;
2044 }
2045
regcache_sync(struct regmap * map)2046 static inline int regcache_sync(struct regmap *map)
2047 {
2048 WARN_ONCE(1, "regmap API is disabled");
2049 return -EINVAL;
2050 }
2051
regcache_sync_region(struct regmap * map,unsigned int min,unsigned int max)2052 static inline int regcache_sync_region(struct regmap *map, unsigned int min,
2053 unsigned int max)
2054 {
2055 WARN_ONCE(1, "regmap API is disabled");
2056 return -EINVAL;
2057 }
2058
regcache_drop_region(struct regmap * map,unsigned int min,unsigned int max)2059 static inline int regcache_drop_region(struct regmap *map, unsigned int min,
2060 unsigned int max)
2061 {
2062 WARN_ONCE(1, "regmap API is disabled");
2063 return -EINVAL;
2064 }
2065
regcache_cache_only(struct regmap * map,bool enable)2066 static inline void regcache_cache_only(struct regmap *map, bool enable)
2067 {
2068 WARN_ONCE(1, "regmap API is disabled");
2069 }
2070
regcache_cache_bypass(struct regmap * map,bool enable)2071 static inline void regcache_cache_bypass(struct regmap *map, bool enable)
2072 {
2073 WARN_ONCE(1, "regmap API is disabled");
2074 }
2075
regcache_mark_dirty(struct regmap * map)2076 static inline void regcache_mark_dirty(struct regmap *map)
2077 {
2078 WARN_ONCE(1, "regmap API is disabled");
2079 }
2080
regmap_async_complete(struct regmap * map)2081 static inline void regmap_async_complete(struct regmap *map)
2082 {
2083 WARN_ONCE(1, "regmap API is disabled");
2084 }
2085
regmap_register_patch(struct regmap * map,const struct reg_sequence * regs,int num_regs)2086 static inline int regmap_register_patch(struct regmap *map,
2087 const struct reg_sequence *regs,
2088 int num_regs)
2089 {
2090 WARN_ONCE(1, "regmap API is disabled");
2091 return -EINVAL;
2092 }
2093
regmap_parse_val(struct regmap * map,const void * buf,unsigned int * val)2094 static inline int regmap_parse_val(struct regmap *map, const void *buf,
2095 unsigned int *val)
2096 {
2097 WARN_ONCE(1, "regmap API is disabled");
2098 return -EINVAL;
2099 }
2100
dev_get_regmap(struct device * dev,const char * name)2101 static inline struct regmap *dev_get_regmap(struct device *dev,
2102 const char *name)
2103 {
2104 return NULL;
2105 }
2106
regmap_get_device(struct regmap * map)2107 static inline struct device *regmap_get_device(struct regmap *map)
2108 {
2109 WARN_ONCE(1, "regmap API is disabled");
2110 return NULL;
2111 }
2112
2113 #endif
2114
2115 #endif
2116