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1 | #ifndef __LINUX_REGMAP_H |
2 | #define __LINUX_REGMAP_H | |
3 | ||
4 | /* | |
5 | * Register map access API | |
6 | * | |
7 | * Copyright 2011 Wolfson Microelectronics plc | |
8 | * | |
9 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | */ | |
15 | ||
b83a313b | 16 | #include <linux/list.h> |
6863ca62 | 17 | #include <linux/rbtree.h> |
49ccc142 | 18 | #include <linux/err.h> |
3f0fa9a8 | 19 | #include <linux/bug.h> |
3cfe7a74 | 20 | #include <linux/lockdep.h> |
b83a313b | 21 | |
de477254 | 22 | struct module; |
313162d0 | 23 | struct device; |
9943fa30 | 24 | struct i2c_client; |
90f790d2 | 25 | struct irq_domain; |
a676f083 | 26 | struct spi_device; |
a01779f8 | 27 | struct spmi_device; |
b83d2ff0 | 28 | struct regmap; |
6863ca62 | 29 | struct regmap_range_cfg; |
67252287 | 30 | struct regmap_field; |
22853223 | 31 | struct snd_ac97; |
9943fa30 | 32 | |
9fabe24e DP |
33 | /* An enum of all the supported cache types */ |
34 | enum regcache_type { | |
35 | REGCACHE_NONE, | |
28644c80 | 36 | REGCACHE_RBTREE, |
2ac902ce MB |
37 | REGCACHE_COMPRESSED, |
38 | REGCACHE_FLAT, | |
9fabe24e DP |
39 | }; |
40 | ||
bd20eb54 MB |
41 | /** |
42 | * Default value for a register. We use an array of structs rather | |
43 | * than a simple array as many modern devices have very sparse | |
44 | * register maps. | |
45 | * | |
46 | * @reg: Register address. | |
47 | * @def: Register default value. | |
48 | */ | |
49 | struct reg_default { | |
50 | unsigned int reg; | |
51 | unsigned int def; | |
52 | }; | |
53 | ||
8019ff6c | 54 | /** |
2de9d600 NP |
55 | * Register/value pairs for sequences of writes with an optional delay in |
56 | * microseconds to be applied after each write. | |
8019ff6c NP |
57 | * |
58 | * @reg: Register address. | |
59 | * @def: Register value. | |
2de9d600 | 60 | * @delay_us: Delay to be applied after the register write in microseconds |
8019ff6c NP |
61 | */ |
62 | struct reg_sequence { | |
63 | unsigned int reg; | |
64 | unsigned int def; | |
2de9d600 | 65 | unsigned int delay_us; |
8019ff6c NP |
66 | }; |
67 | ||
ca7a9446 KM |
68 | #define regmap_update_bits(map, reg, mask, val) \ |
69 | regmap_update_bits_base(map, reg, mask, val, NULL, false, false) | |
30ed9cb7 KM |
70 | #define regmap_update_bits_async(map, reg, mask, val)\ |
71 | regmap_update_bits_base(map, reg, mask, val, NULL, true, false) | |
98c2dc48 KM |
72 | #define regmap_update_bits_check(map, reg, mask, val, change)\ |
73 | regmap_update_bits_base(map, reg, mask, val, change, false, false) | |
89d8d4b8 KM |
74 | #define regmap_update_bits_check_async(map, reg, mask, val, change)\ |
75 | regmap_update_bits_base(map, reg, mask, val, change, true, false) | |
ca7a9446 | 76 | |
b821957a KM |
77 | #define regmap_write_bits(map, reg, mask, val) \ |
78 | regmap_update_bits_base(map, reg, mask, val, NULL, false, true) | |
79 | ||
3674124b KM |
80 | #define regmap_field_write(field, val) \ |
81 | regmap_field_update_bits_base(field, ~0, val, NULL, false, false) | |
489061bb KM |
82 | #define regmap_field_force_write(field, val) \ |
83 | regmap_field_update_bits_base(field, ~0, val, NULL, false, true) | |
721ed64d KM |
84 | #define regmap_field_update_bits(field, mask, val)\ |
85 | regmap_field_update_bits_base(field, mask, val, NULL, false, false) | |
489061bb KM |
86 | #define regmap_field_force_update_bits(field, mask, val) \ |
87 | regmap_field_update_bits_base(field, mask, val, NULL, false, true) | |
3674124b | 88 | |
bbf2c46f KM |
89 | #define regmap_fields_write(field, id, val) \ |
90 | regmap_fields_update_bits_base(field, id, ~0, val, NULL, false, false) | |
e6ef243f KM |
91 | #define regmap_fields_force_write(field, id, val) \ |
92 | regmap_fields_update_bits_base(field, id, ~0, val, NULL, false, true) | |
48138609 KM |
93 | #define regmap_fields_update_bits(field, id, mask, val)\ |
94 | regmap_fields_update_bits_base(field, id, mask, val, NULL, false, false) | |
e6ef243f KM |
95 | #define regmap_fields_force_update_bits(field, id, mask, val) \ |
96 | regmap_fields_update_bits_base(field, id, mask, val, NULL, false, true) | |
bbf2c46f | 97 | |
08188ba8 PZ |
98 | /** |
99 | * regmap_read_poll_timeout - Poll until a condition is met or a timeout occurs | |
100 | * @map: Regmap to read from | |
101 | * @addr: Address to poll | |
102 | * @val: Unsigned integer variable to read the value into | |
103 | * @cond: Break condition (usually involving @val) | |
104 | * @sleep_us: Maximum time to sleep between reads in us (0 | |
105 | * tight-loops). Should be less than ~20ms since usleep_range | |
106 | * is used (see Documentation/timers/timers-howto.txt). | |
107 | * @timeout_us: Timeout in us, 0 means never timeout | |
108 | * | |
109 | * Returns 0 on success and -ETIMEDOUT upon a timeout or the regmap_read | |
110 | * error return value in case of a error read. In the two former cases, | |
111 | * the last read value at @addr is stored in @val. Must not be called | |
112 | * from atomic context if sleep_us or timeout_us are used. | |
113 | * | |
114 | * This is modelled after the readx_poll_timeout macros in linux/iopoll.h. | |
115 | */ | |
116 | #define regmap_read_poll_timeout(map, addr, val, cond, sleep_us, timeout_us) \ | |
117 | ({ \ | |
118 | ktime_t timeout = ktime_add_us(ktime_get(), timeout_us); \ | |
119 | int ret; \ | |
120 | might_sleep_if(sleep_us); \ | |
121 | for (;;) { \ | |
122 | ret = regmap_read((map), (addr), &(val)); \ | |
123 | if (ret) \ | |
124 | break; \ | |
125 | if (cond) \ | |
126 | break; \ | |
127 | if (timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \ | |
128 | ret = regmap_read((map), (addr), &(val)); \ | |
129 | break; \ | |
130 | } \ | |
131 | if (sleep_us) \ | |
132 | usleep_range((sleep_us >> 2) + 1, sleep_us); \ | |
133 | } \ | |
134 | ret ?: ((cond) ? 0 : -ETIMEDOUT); \ | |
135 | }) | |
136 | ||
b83d2ff0 MB |
137 | #ifdef CONFIG_REGMAP |
138 | ||
141eba2e SW |
139 | enum regmap_endian { |
140 | /* Unspecified -> 0 -> Backwards compatible default */ | |
141 | REGMAP_ENDIAN_DEFAULT = 0, | |
142 | REGMAP_ENDIAN_BIG, | |
143 | REGMAP_ENDIAN_LITTLE, | |
144 | REGMAP_ENDIAN_NATIVE, | |
145 | }; | |
146 | ||
76aad392 DC |
147 | /** |
148 | * A register range, used for access related checks | |
149 | * (readable/writeable/volatile/precious checks) | |
150 | * | |
151 | * @range_min: address of first register | |
152 | * @range_max: address of last register | |
153 | */ | |
154 | struct regmap_range { | |
155 | unsigned int range_min; | |
156 | unsigned int range_max; | |
157 | }; | |
158 | ||
6112fe60 LD |
159 | #define regmap_reg_range(low, high) { .range_min = low, .range_max = high, } |
160 | ||
76aad392 DC |
161 | /* |
162 | * A table of ranges including some yes ranges and some no ranges. | |
163 | * If a register belongs to a no_range, the corresponding check function | |
164 | * will return false. If a register belongs to a yes range, the corresponding | |
165 | * check function will return true. "no_ranges" are searched first. | |
166 | * | |
167 | * @yes_ranges : pointer to an array of regmap ranges used as "yes ranges" | |
168 | * @n_yes_ranges: size of the above array | |
169 | * @no_ranges: pointer to an array of regmap ranges used as "no ranges" | |
170 | * @n_no_ranges: size of the above array | |
171 | */ | |
172 | struct regmap_access_table { | |
173 | const struct regmap_range *yes_ranges; | |
174 | unsigned int n_yes_ranges; | |
175 | const struct regmap_range *no_ranges; | |
176 | unsigned int n_no_ranges; | |
177 | }; | |
178 | ||
0d4529c5 DC |
179 | typedef void (*regmap_lock)(void *); |
180 | typedef void (*regmap_unlock)(void *); | |
181 | ||
dd898b20 MB |
182 | /** |
183 | * Configuration for the register map of a device. | |
184 | * | |
d3c242e1 SW |
185 | * @name: Optional name of the regmap. Useful when a device has multiple |
186 | * register regions. | |
187 | * | |
dd898b20 | 188 | * @reg_bits: Number of bits in a register address, mandatory. |
f01ee60f SW |
189 | * @reg_stride: The register address stride. Valid register addresses are a |
190 | * multiple of this value. If set to 0, a value of 1 will be | |
191 | * used. | |
82159ba8 | 192 | * @pad_bits: Number of bits of padding between register and value. |
dd898b20 | 193 | * @val_bits: Number of bits in a register value, mandatory. |
2e2ae66d | 194 | * |
3566cc9d | 195 | * @writeable_reg: Optional callback returning true if the register |
76aad392 DC |
196 | * can be written to. If this field is NULL but wr_table |
197 | * (see below) is not, the check is performed on such table | |
198 | * (a register is writeable if it belongs to one of the ranges | |
199 | * specified by wr_table). | |
3566cc9d | 200 | * @readable_reg: Optional callback returning true if the register |
76aad392 DC |
201 | * can be read from. If this field is NULL but rd_table |
202 | * (see below) is not, the check is performed on such table | |
203 | * (a register is readable if it belongs to one of the ranges | |
204 | * specified by rd_table). | |
3566cc9d | 205 | * @volatile_reg: Optional callback returning true if the register |
76aad392 DC |
206 | * value can't be cached. If this field is NULL but |
207 | * volatile_table (see below) is not, the check is performed on | |
208 | * such table (a register is volatile if it belongs to one of | |
209 | * the ranges specified by volatile_table). | |
bdc39644 | 210 | * @precious_reg: Optional callback returning true if the register |
76aad392 | 211 | * should not be read outside of a call from the driver |
bdc39644 | 212 | * (e.g., a clear on read interrupt status register). If this |
76aad392 DC |
213 | * field is NULL but precious_table (see below) is not, the |
214 | * check is performed on such table (a register is precious if | |
215 | * it belongs to one of the ranges specified by precious_table). | |
216 | * @lock: Optional lock callback (overrides regmap's default lock | |
217 | * function, based on spinlock or mutex). | |
218 | * @unlock: As above for unlocking. | |
219 | * @lock_arg: this field is passed as the only argument of lock/unlock | |
220 | * functions (ignored in case regular lock/unlock functions | |
221 | * are not overridden). | |
d2a5884a AS |
222 | * @reg_read: Optional callback that if filled will be used to perform |
223 | * all the reads from the registers. Should only be provided for | |
bdc39644 LP |
224 | * devices whose read operation cannot be represented as a simple |
225 | * read operation on a bus such as SPI, I2C, etc. Most of the | |
226 | * devices do not need this. | |
d2a5884a AS |
227 | * @reg_write: Same as above for writing. |
228 | * @fast_io: Register IO is fast. Use a spinlock instead of a mutex | |
229 | * to perform locking. This field is ignored if custom lock/unlock | |
230 | * functions are used (see fields lock/unlock of struct regmap_config). | |
231 | * This field is a duplicate of a similar file in | |
232 | * 'struct regmap_bus' and serves exact same purpose. | |
233 | * Use it only for "no-bus" cases. | |
b429fab4 | 234 | * @max_register: Optional, specifies the maximum valid register address. |
76aad392 DC |
235 | * @wr_table: Optional, points to a struct regmap_access_table specifying |
236 | * valid ranges for write access. | |
237 | * @rd_table: As above, for read access. | |
238 | * @volatile_table: As above, for volatile registers. | |
239 | * @precious_table: As above, for precious registers. | |
bd20eb54 MB |
240 | * @reg_defaults: Power on reset values for registers (for use with |
241 | * register cache support). | |
242 | * @num_reg_defaults: Number of elements in reg_defaults. | |
6f306441 LPC |
243 | * |
244 | * @read_flag_mask: Mask to be set in the top byte of the register when doing | |
245 | * a read. | |
246 | * @write_flag_mask: Mask to be set in the top byte of the register when doing | |
247 | * a write. If both read_flag_mask and write_flag_mask are | |
248 | * empty the regmap_bus default masks are used. | |
2e33caf1 AJ |
249 | * @use_single_rw: If set, converts the bulk read and write operations into |
250 | * a series of single read and write operations. This is useful | |
251 | * for device that does not support bulk read and write. | |
e894c3f4 OAO |
252 | * @can_multi_write: If set, the device supports the multi write mode of bulk |
253 | * write operations, if clear multi write requests will be | |
254 | * split into individual write operations | |
9fabe24e DP |
255 | * |
256 | * @cache_type: The actual cache type. | |
257 | * @reg_defaults_raw: Power on reset values for registers (for use with | |
258 | * register cache support). | |
259 | * @num_reg_defaults_raw: Number of elements in reg_defaults_raw. | |
141eba2e SW |
260 | * @reg_format_endian: Endianness for formatted register addresses. If this is |
261 | * DEFAULT, the @reg_format_endian_default value from the | |
262 | * regmap bus is used. | |
263 | * @val_format_endian: Endianness for formatted register values. If this is | |
264 | * DEFAULT, the @reg_format_endian_default value from the | |
265 | * regmap bus is used. | |
6863ca62 KG |
266 | * |
267 | * @ranges: Array of configuration entries for virtual address ranges. | |
268 | * @num_ranges: Number of range configuration entries. | |
dd898b20 | 269 | */ |
b83a313b | 270 | struct regmap_config { |
d3c242e1 SW |
271 | const char *name; |
272 | ||
b83a313b | 273 | int reg_bits; |
f01ee60f | 274 | int reg_stride; |
82159ba8 | 275 | int pad_bits; |
b83a313b | 276 | int val_bits; |
2e2ae66d | 277 | |
2e2ae66d MB |
278 | bool (*writeable_reg)(struct device *dev, unsigned int reg); |
279 | bool (*readable_reg)(struct device *dev, unsigned int reg); | |
280 | bool (*volatile_reg)(struct device *dev, unsigned int reg); | |
18694886 | 281 | bool (*precious_reg)(struct device *dev, unsigned int reg); |
0d4529c5 DC |
282 | regmap_lock lock; |
283 | regmap_unlock unlock; | |
284 | void *lock_arg; | |
bd20eb54 | 285 | |
d2a5884a AS |
286 | int (*reg_read)(void *context, unsigned int reg, unsigned int *val); |
287 | int (*reg_write)(void *context, unsigned int reg, unsigned int val); | |
288 | ||
289 | bool fast_io; | |
290 | ||
bd20eb54 | 291 | unsigned int max_register; |
76aad392 DC |
292 | const struct regmap_access_table *wr_table; |
293 | const struct regmap_access_table *rd_table; | |
294 | const struct regmap_access_table *volatile_table; | |
295 | const struct regmap_access_table *precious_table; | |
720e4616 | 296 | const struct reg_default *reg_defaults; |
9fabe24e DP |
297 | unsigned int num_reg_defaults; |
298 | enum regcache_type cache_type; | |
299 | const void *reg_defaults_raw; | |
300 | unsigned int num_reg_defaults_raw; | |
6f306441 LPC |
301 | |
302 | u8 read_flag_mask; | |
303 | u8 write_flag_mask; | |
2e33caf1 AJ |
304 | |
305 | bool use_single_rw; | |
e894c3f4 | 306 | bool can_multi_write; |
141eba2e SW |
307 | |
308 | enum regmap_endian reg_format_endian; | |
309 | enum regmap_endian val_format_endian; | |
38e23194 | 310 | |
6863ca62 | 311 | const struct regmap_range_cfg *ranges; |
e3549cd0 | 312 | unsigned int num_ranges; |
6863ca62 KG |
313 | }; |
314 | ||
315 | /** | |
316 | * Configuration for indirectly accessed or paged registers. | |
317 | * Registers, mapped to this virtual range, are accessed in two steps: | |
318 | * 1. page selector register update; | |
319 | * 2. access through data window registers. | |
320 | * | |
d058bb49 MB |
321 | * @name: Descriptive name for diagnostics |
322 | * | |
6863ca62 KG |
323 | * @range_min: Address of the lowest register address in virtual range. |
324 | * @range_max: Address of the highest register in virtual range. | |
325 | * | |
326 | * @page_sel_reg: Register with selector field. | |
327 | * @page_sel_mask: Bit shift for selector value. | |
328 | * @page_sel_shift: Bit mask for selector value. | |
329 | * | |
330 | * @window_start: Address of first (lowest) register in data window. | |
331 | * @window_len: Number of registers in data window. | |
332 | */ | |
333 | struct regmap_range_cfg { | |
d058bb49 MB |
334 | const char *name; |
335 | ||
6863ca62 KG |
336 | /* Registers of virtual address range */ |
337 | unsigned int range_min; | |
338 | unsigned int range_max; | |
339 | ||
340 | /* Page selector for indirect addressing */ | |
341 | unsigned int selector_reg; | |
342 | unsigned int selector_mask; | |
343 | int selector_shift; | |
344 | ||
345 | /* Data window (per each page) */ | |
346 | unsigned int window_start; | |
347 | unsigned int window_len; | |
b83a313b MB |
348 | }; |
349 | ||
0d509f2b MB |
350 | struct regmap_async; |
351 | ||
0135bbcc | 352 | typedef int (*regmap_hw_write)(void *context, const void *data, |
b83a313b | 353 | size_t count); |
0135bbcc | 354 | typedef int (*regmap_hw_gather_write)(void *context, |
b83a313b MB |
355 | const void *reg, size_t reg_len, |
356 | const void *val, size_t val_len); | |
0d509f2b MB |
357 | typedef int (*regmap_hw_async_write)(void *context, |
358 | const void *reg, size_t reg_len, | |
359 | const void *val, size_t val_len, | |
360 | struct regmap_async *async); | |
0135bbcc | 361 | typedef int (*regmap_hw_read)(void *context, |
b83a313b MB |
362 | const void *reg_buf, size_t reg_size, |
363 | void *val_buf, size_t val_size); | |
3ac17037 BB |
364 | typedef int (*regmap_hw_reg_read)(void *context, unsigned int reg, |
365 | unsigned int *val); | |
366 | typedef int (*regmap_hw_reg_write)(void *context, unsigned int reg, | |
367 | unsigned int val); | |
77792b11 JR |
368 | typedef int (*regmap_hw_reg_update_bits)(void *context, unsigned int reg, |
369 | unsigned int mask, unsigned int val); | |
0d509f2b | 370 | typedef struct regmap_async *(*regmap_hw_async_alloc)(void); |
0135bbcc | 371 | typedef void (*regmap_hw_free_context)(void *context); |
b83a313b MB |
372 | |
373 | /** | |
374 | * Description of a hardware bus for the register map infrastructure. | |
375 | * | |
bacdbe07 | 376 | * @fast_io: Register IO is fast. Use a spinlock instead of a mutex |
0d4529c5 DC |
377 | * to perform locking. This field is ignored if custom lock/unlock |
378 | * functions are used (see fields lock/unlock of | |
379 | * struct regmap_config). | |
b83a313b MB |
380 | * @write: Write operation. |
381 | * @gather_write: Write operation with split register/value, return -ENOTSUPP | |
382 | * if not implemented on a given device. | |
0d509f2b MB |
383 | * @async_write: Write operation which completes asynchronously, optional and |
384 | * must serialise with respect to non-async I/O. | |
c5f58f2d MP |
385 | * @reg_write: Write a single register value to the given register address. This |
386 | * write operation has to complete when returning from the function. | |
b83a313b MB |
387 | * @read: Read operation. Data is returned in the buffer used to transmit |
388 | * data. | |
c5f58f2d MP |
389 | * @reg_read: Read a single register value from a given register address. |
390 | * @free_context: Free context. | |
0d509f2b | 391 | * @async_alloc: Allocate a regmap_async() structure. |
b83a313b MB |
392 | * @read_flag_mask: Mask to be set in the top byte of the register when doing |
393 | * a read. | |
141eba2e SW |
394 | * @reg_format_endian_default: Default endianness for formatted register |
395 | * addresses. Used when the regmap_config specifies DEFAULT. If this is | |
396 | * DEFAULT, BIG is assumed. | |
397 | * @val_format_endian_default: Default endianness for formatted register | |
398 | * values. Used when the regmap_config specifies DEFAULT. If this is | |
399 | * DEFAULT, BIG is assumed. | |
adaac459 MP |
400 | * @max_raw_read: Max raw read size that can be used on the bus. |
401 | * @max_raw_write: Max raw write size that can be used on the bus. | |
b83a313b MB |
402 | */ |
403 | struct regmap_bus { | |
bacdbe07 | 404 | bool fast_io; |
b83a313b MB |
405 | regmap_hw_write write; |
406 | regmap_hw_gather_write gather_write; | |
0d509f2b | 407 | regmap_hw_async_write async_write; |
3ac17037 | 408 | regmap_hw_reg_write reg_write; |
77792b11 | 409 | regmap_hw_reg_update_bits reg_update_bits; |
b83a313b | 410 | regmap_hw_read read; |
3ac17037 | 411 | regmap_hw_reg_read reg_read; |
0135bbcc | 412 | regmap_hw_free_context free_context; |
0d509f2b | 413 | regmap_hw_async_alloc async_alloc; |
b83a313b | 414 | u8 read_flag_mask; |
141eba2e SW |
415 | enum regmap_endian reg_format_endian_default; |
416 | enum regmap_endian val_format_endian_default; | |
adaac459 MP |
417 | size_t max_raw_read; |
418 | size_t max_raw_write; | |
b83a313b MB |
419 | }; |
420 | ||
3cfe7a74 NB |
421 | /* |
422 | * __regmap_init functions. | |
423 | * | |
424 | * These functions take a lock key and name parameter, and should not be called | |
425 | * directly. Instead, use the regmap_init macros that generate a key and name | |
426 | * for each call. | |
427 | */ | |
428 | struct regmap *__regmap_init(struct device *dev, | |
429 | const struct regmap_bus *bus, | |
430 | void *bus_context, | |
431 | const struct regmap_config *config, | |
432 | struct lock_class_key *lock_key, | |
433 | const char *lock_name); | |
434 | struct regmap *__regmap_init_i2c(struct i2c_client *i2c, | |
435 | const struct regmap_config *config, | |
436 | struct lock_class_key *lock_key, | |
437 | const char *lock_name); | |
438 | struct regmap *__regmap_init_spi(struct spi_device *dev, | |
439 | const struct regmap_config *config, | |
440 | struct lock_class_key *lock_key, | |
441 | const char *lock_name); | |
442 | struct regmap *__regmap_init_spmi_base(struct spmi_device *dev, | |
443 | const struct regmap_config *config, | |
444 | struct lock_class_key *lock_key, | |
445 | const char *lock_name); | |
446 | struct regmap *__regmap_init_spmi_ext(struct spmi_device *dev, | |
447 | const struct regmap_config *config, | |
448 | struct lock_class_key *lock_key, | |
449 | const char *lock_name); | |
450 | struct regmap *__regmap_init_mmio_clk(struct device *dev, const char *clk_id, | |
451 | void __iomem *regs, | |
452 | const struct regmap_config *config, | |
453 | struct lock_class_key *lock_key, | |
454 | const char *lock_name); | |
455 | struct regmap *__regmap_init_ac97(struct snd_ac97 *ac97, | |
456 | const struct regmap_config *config, | |
457 | struct lock_class_key *lock_key, | |
458 | const char *lock_name); | |
459 | ||
460 | struct regmap *__devm_regmap_init(struct device *dev, | |
461 | const struct regmap_bus *bus, | |
462 | void *bus_context, | |
463 | const struct regmap_config *config, | |
464 | struct lock_class_key *lock_key, | |
465 | const char *lock_name); | |
466 | struct regmap *__devm_regmap_init_i2c(struct i2c_client *i2c, | |
467 | const struct regmap_config *config, | |
468 | struct lock_class_key *lock_key, | |
469 | const char *lock_name); | |
470 | struct regmap *__devm_regmap_init_spi(struct spi_device *dev, | |
471 | const struct regmap_config *config, | |
472 | struct lock_class_key *lock_key, | |
473 | const char *lock_name); | |
474 | struct regmap *__devm_regmap_init_spmi_base(struct spmi_device *dev, | |
475 | const struct regmap_config *config, | |
476 | struct lock_class_key *lock_key, | |
477 | const char *lock_name); | |
478 | struct regmap *__devm_regmap_init_spmi_ext(struct spmi_device *dev, | |
479 | const struct regmap_config *config, | |
480 | struct lock_class_key *lock_key, | |
481 | const char *lock_name); | |
482 | struct regmap *__devm_regmap_init_mmio_clk(struct device *dev, | |
483 | const char *clk_id, | |
484 | void __iomem *regs, | |
485 | const struct regmap_config *config, | |
486 | struct lock_class_key *lock_key, | |
487 | const char *lock_name); | |
488 | struct regmap *__devm_regmap_init_ac97(struct snd_ac97 *ac97, | |
489 | const struct regmap_config *config, | |
490 | struct lock_class_key *lock_key, | |
491 | const char *lock_name); | |
22853223 | 492 | |
3cfe7a74 NB |
493 | /* |
494 | * Wrapper for regmap_init macros to include a unique lockdep key and name | |
495 | * for each call. No-op if CONFIG_LOCKDEP is not set. | |
496 | * | |
497 | * @fn: Real function to call (in the form __[*_]regmap_init[_*]) | |
498 | * @name: Config variable name (#config in the calling macro) | |
499 | **/ | |
500 | #ifdef CONFIG_LOCKDEP | |
501 | #define __regmap_lockdep_wrapper(fn, name, ...) \ | |
502 | ( \ | |
503 | ({ \ | |
504 | static struct lock_class_key _key; \ | |
505 | fn(__VA_ARGS__, &_key, \ | |
506 | KBUILD_BASENAME ":" \ | |
507 | __stringify(__LINE__) ":" \ | |
508 | "(" name ")->lock"); \ | |
509 | }) \ | |
510 | ) | |
511 | #else | |
512 | #define __regmap_lockdep_wrapper(fn, name, ...) fn(__VA_ARGS__, NULL, NULL) | |
513 | #endif | |
514 | ||
1ed81114 NB |
515 | /** |
516 | * regmap_init(): Initialise register map | |
517 | * | |
518 | * @dev: Device that will be interacted with | |
519 | * @bus: Bus-specific callbacks to use with device | |
520 | * @bus_context: Data passed to bus-specific callbacks | |
521 | * @config: Configuration for register map | |
522 | * | |
523 | * The return value will be an ERR_PTR() on error or a valid pointer to | |
524 | * a struct regmap. This function should generally not be called | |
525 | * directly, it should be called by bus-specific init functions. | |
526 | */ | |
3cfe7a74 NB |
527 | #define regmap_init(dev, bus, bus_context, config) \ |
528 | __regmap_lockdep_wrapper(__regmap_init, #config, \ | |
529 | dev, bus, bus_context, config) | |
6cfec04b | 530 | int regmap_attach_dev(struct device *dev, struct regmap *map, |
3cfe7a74 | 531 | const struct regmap_config *config); |
22853223 | 532 | |
1ed81114 NB |
533 | /** |
534 | * regmap_init_i2c(): Initialise register map | |
535 | * | |
536 | * @i2c: Device that will be interacted with | |
537 | * @config: Configuration for register map | |
538 | * | |
539 | * The return value will be an ERR_PTR() on error or a valid pointer to | |
540 | * a struct regmap. | |
541 | */ | |
3cfe7a74 NB |
542 | #define regmap_init_i2c(i2c, config) \ |
543 | __regmap_lockdep_wrapper(__regmap_init_i2c, #config, \ | |
544 | i2c, config) | |
1ed81114 NB |
545 | |
546 | /** | |
547 | * regmap_init_spi(): Initialise register map | |
548 | * | |
549 | * @spi: Device that will be interacted with | |
550 | * @config: Configuration for register map | |
551 | * | |
552 | * The return value will be an ERR_PTR() on error or a valid pointer to | |
553 | * a struct regmap. | |
554 | */ | |
3cfe7a74 NB |
555 | #define regmap_init_spi(dev, config) \ |
556 | __regmap_lockdep_wrapper(__regmap_init_spi, #config, \ | |
557 | dev, config) | |
1ed81114 NB |
558 | |
559 | /** | |
560 | * regmap_init_spmi_base(): Create regmap for the Base register space | |
561 | * @sdev: SPMI device that will be interacted with | |
562 | * @config: Configuration for register map | |
563 | * | |
564 | * The return value will be an ERR_PTR() on error or a valid pointer to | |
565 | * a struct regmap. | |
566 | */ | |
3cfe7a74 NB |
567 | #define regmap_init_spmi_base(dev, config) \ |
568 | __regmap_lockdep_wrapper(__regmap_init_spmi_base, #config, \ | |
569 | dev, config) | |
1ed81114 NB |
570 | |
571 | /** | |
572 | * regmap_init_spmi_ext(): Create regmap for Ext register space | |
573 | * @sdev: Device that will be interacted with | |
574 | * @config: Configuration for register map | |
575 | * | |
576 | * The return value will be an ERR_PTR() on error or a valid pointer to | |
577 | * a struct regmap. | |
578 | */ | |
3cfe7a74 NB |
579 | #define regmap_init_spmi_ext(dev, config) \ |
580 | __regmap_lockdep_wrapper(__regmap_init_spmi_ext, #config, \ | |
581 | dev, config) | |
1ed81114 NB |
582 | |
583 | /** | |
584 | * regmap_init_mmio_clk(): Initialise register map with register clock | |
585 | * | |
586 | * @dev: Device that will be interacted with | |
587 | * @clk_id: register clock consumer ID | |
588 | * @regs: Pointer to memory-mapped IO region | |
589 | * @config: Configuration for register map | |
590 | * | |
591 | * The return value will be an ERR_PTR() on error or a valid pointer to | |
592 | * a struct regmap. | |
593 | */ | |
3cfe7a74 NB |
594 | #define regmap_init_mmio_clk(dev, clk_id, regs, config) \ |
595 | __regmap_lockdep_wrapper(__regmap_init_mmio_clk, #config, \ | |
596 | dev, clk_id, regs, config) | |
878ec67b PZ |
597 | |
598 | /** | |
599 | * regmap_init_mmio(): Initialise register map | |
600 | * | |
601 | * @dev: Device that will be interacted with | |
602 | * @regs: Pointer to memory-mapped IO region | |
603 | * @config: Configuration for register map | |
604 | * | |
605 | * The return value will be an ERR_PTR() on error or a valid pointer to | |
606 | * a struct regmap. | |
607 | */ | |
1ed81114 NB |
608 | #define regmap_init_mmio(dev, regs, config) \ |
609 | regmap_init_mmio_clk(dev, NULL, regs, config) | |
610 | ||
611 | /** | |
612 | * regmap_init_ac97(): Initialise AC'97 register map | |
613 | * | |
614 | * @ac97: Device that will be interacted with | |
615 | * @config: Configuration for register map | |
616 | * | |
617 | * The return value will be an ERR_PTR() on error or a valid pointer to | |
618 | * a struct regmap. | |
619 | */ | |
3cfe7a74 NB |
620 | #define regmap_init_ac97(ac97, config) \ |
621 | __regmap_lockdep_wrapper(__regmap_init_ac97, #config, \ | |
622 | ac97, config) | |
22853223 | 623 | bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg); |
878ec67b | 624 | |
1ed81114 NB |
625 | /** |
626 | * devm_regmap_init(): Initialise managed register map | |
627 | * | |
628 | * @dev: Device that will be interacted with | |
629 | * @bus: Bus-specific callbacks to use with device | |
630 | * @bus_context: Data passed to bus-specific callbacks | |
631 | * @config: Configuration for register map | |
632 | * | |
633 | * The return value will be an ERR_PTR() on error or a valid pointer | |
634 | * to a struct regmap. This function should generally not be called | |
635 | * directly, it should be called by bus-specific init functions. The | |
636 | * map will be automatically freed by the device management code. | |
637 | */ | |
3cfe7a74 NB |
638 | #define devm_regmap_init(dev, bus, bus_context, config) \ |
639 | __regmap_lockdep_wrapper(__devm_regmap_init, #config, \ | |
640 | dev, bus, bus_context, config) | |
1ed81114 NB |
641 | |
642 | /** | |
643 | * devm_regmap_init_i2c(): Initialise managed register map | |
644 | * | |
645 | * @i2c: Device that will be interacted with | |
646 | * @config: Configuration for register map | |
647 | * | |
648 | * The return value will be an ERR_PTR() on error or a valid pointer | |
649 | * to a struct regmap. The regmap will be automatically freed by the | |
650 | * device management code. | |
651 | */ | |
3cfe7a74 NB |
652 | #define devm_regmap_init_i2c(i2c, config) \ |
653 | __regmap_lockdep_wrapper(__devm_regmap_init_i2c, #config, \ | |
654 | i2c, config) | |
1ed81114 NB |
655 | |
656 | /** | |
657 | * devm_regmap_init_spi(): Initialise register map | |
658 | * | |
659 | * @spi: Device that will be interacted with | |
660 | * @config: Configuration for register map | |
661 | * | |
662 | * The return value will be an ERR_PTR() on error or a valid pointer | |
663 | * to a struct regmap. The map will be automatically freed by the | |
664 | * device management code. | |
665 | */ | |
3cfe7a74 NB |
666 | #define devm_regmap_init_spi(dev, config) \ |
667 | __regmap_lockdep_wrapper(__devm_regmap_init_spi, #config, \ | |
668 | dev, config) | |
1ed81114 NB |
669 | |
670 | /** | |
671 | * devm_regmap_init_spmi_base(): Create managed regmap for Base register space | |
672 | * @sdev: SPMI device that will be interacted with | |
673 | * @config: Configuration for register map | |
674 | * | |
675 | * The return value will be an ERR_PTR() on error or a valid pointer | |
676 | * to a struct regmap. The regmap will be automatically freed by the | |
677 | * device management code. | |
678 | */ | |
3cfe7a74 NB |
679 | #define devm_regmap_init_spmi_base(dev, config) \ |
680 | __regmap_lockdep_wrapper(__devm_regmap_init_spmi_base, #config, \ | |
681 | dev, config) | |
1ed81114 NB |
682 | |
683 | /** | |
684 | * devm_regmap_init_spmi_ext(): Create managed regmap for Ext register space | |
685 | * @sdev: SPMI device that will be interacted with | |
686 | * @config: Configuration for register map | |
687 | * | |
688 | * The return value will be an ERR_PTR() on error or a valid pointer | |
689 | * to a struct regmap. The regmap will be automatically freed by the | |
690 | * device management code. | |
691 | */ | |
3cfe7a74 NB |
692 | #define devm_regmap_init_spmi_ext(dev, config) \ |
693 | __regmap_lockdep_wrapper(__devm_regmap_init_spmi_ext, #config, \ | |
694 | dev, config) | |
3cfe7a74 | 695 | |
878ec67b | 696 | /** |
1ed81114 | 697 | * devm_regmap_init_mmio_clk(): Initialise managed register map with clock |
878ec67b PZ |
698 | * |
699 | * @dev: Device that will be interacted with | |
1ed81114 | 700 | * @clk_id: register clock consumer ID |
878ec67b PZ |
701 | * @regs: Pointer to memory-mapped IO region |
702 | * @config: Configuration for register map | |
703 | * | |
1ed81114 NB |
704 | * The return value will be an ERR_PTR() on error or a valid pointer |
705 | * to a struct regmap. The regmap will be automatically freed by the | |
706 | * device management code. | |
878ec67b | 707 | */ |
1ed81114 NB |
708 | #define devm_regmap_init_mmio_clk(dev, clk_id, regs, config) \ |
709 | __regmap_lockdep_wrapper(__devm_regmap_init_mmio_clk, #config, \ | |
710 | dev, clk_id, regs, config) | |
878ec67b PZ |
711 | |
712 | /** | |
713 | * devm_regmap_init_mmio(): Initialise managed register map | |
714 | * | |
715 | * @dev: Device that will be interacted with | |
716 | * @regs: Pointer to memory-mapped IO region | |
717 | * @config: Configuration for register map | |
718 | * | |
719 | * The return value will be an ERR_PTR() on error or a valid pointer | |
720 | * to a struct regmap. The regmap will be automatically freed by the | |
721 | * device management code. | |
722 | */ | |
3cfe7a74 NB |
723 | #define devm_regmap_init_mmio(dev, regs, config) \ |
724 | devm_regmap_init_mmio_clk(dev, NULL, regs, config) | |
c0eb4676 | 725 | |
1ed81114 NB |
726 | /** |
727 | * devm_regmap_init_ac97(): Initialise AC'97 register map | |
728 | * | |
729 | * @ac97: Device that will be interacted with | |
730 | * @config: Configuration for register map | |
731 | * | |
732 | * The return value will be an ERR_PTR() on error or a valid pointer | |
733 | * to a struct regmap. The regmap will be automatically freed by the | |
734 | * device management code. | |
735 | */ | |
736 | #define devm_regmap_init_ac97(ac97, config) \ | |
737 | __regmap_lockdep_wrapper(__devm_regmap_init_ac97, #config, \ | |
738 | ac97, config) | |
c0eb4676 | 739 | |
b83a313b | 740 | void regmap_exit(struct regmap *map); |
bf315173 MB |
741 | int regmap_reinit_cache(struct regmap *map, |
742 | const struct regmap_config *config); | |
72b39f6f | 743 | struct regmap *dev_get_regmap(struct device *dev, const char *name); |
8d7d3972 | 744 | struct device *regmap_get_device(struct regmap *map); |
b83a313b | 745 | int regmap_write(struct regmap *map, unsigned int reg, unsigned int val); |
915f441b | 746 | int regmap_write_async(struct regmap *map, unsigned int reg, unsigned int val); |
b83a313b MB |
747 | int regmap_raw_write(struct regmap *map, unsigned int reg, |
748 | const void *val, size_t val_len); | |
8eaeb219 LD |
749 | int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val, |
750 | size_t val_count); | |
8019ff6c | 751 | int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs, |
e33fabd3 | 752 | int num_regs); |
1d5b40bc | 753 | int regmap_multi_reg_write_bypassed(struct regmap *map, |
8019ff6c | 754 | const struct reg_sequence *regs, |
1d5b40bc | 755 | int num_regs); |
0d509f2b MB |
756 | int regmap_raw_write_async(struct regmap *map, unsigned int reg, |
757 | const void *val, size_t val_len); | |
b83a313b MB |
758 | int regmap_read(struct regmap *map, unsigned int reg, unsigned int *val); |
759 | int regmap_raw_read(struct regmap *map, unsigned int reg, | |
760 | void *val, size_t val_len); | |
761 | int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val, | |
762 | size_t val_count); | |
91d31b9f KM |
763 | int regmap_update_bits_base(struct regmap *map, unsigned int reg, |
764 | unsigned int mask, unsigned int val, | |
765 | bool *change, bool async, bool force); | |
a6539c32 | 766 | int regmap_get_val_bytes(struct regmap *map); |
668abc72 | 767 | int regmap_get_max_register(struct regmap *map); |
a2f776cb | 768 | int regmap_get_reg_stride(struct regmap *map); |
0d509f2b | 769 | int regmap_async_complete(struct regmap *map); |
221ad7f2 | 770 | bool regmap_can_raw_write(struct regmap *map); |
f50c9eb4 MP |
771 | size_t regmap_get_raw_read_max(struct regmap *map); |
772 | size_t regmap_get_raw_write_max(struct regmap *map); | |
b83a313b | 773 | |
39a58439 | 774 | int regcache_sync(struct regmap *map); |
4d4cfd16 MB |
775 | int regcache_sync_region(struct regmap *map, unsigned int min, |
776 | unsigned int max); | |
697e85bc MB |
777 | int regcache_drop_region(struct regmap *map, unsigned int min, |
778 | unsigned int max); | |
92afb286 | 779 | void regcache_cache_only(struct regmap *map, bool enable); |
6eb0f5e0 | 780 | void regcache_cache_bypass(struct regmap *map, bool enable); |
8ae0d7e8 | 781 | void regcache_mark_dirty(struct regmap *map); |
92afb286 | 782 | |
154881e5 MB |
783 | bool regmap_check_range_table(struct regmap *map, unsigned int reg, |
784 | const struct regmap_access_table *table); | |
785 | ||
8019ff6c | 786 | int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs, |
22f0d90a | 787 | int num_regs); |
13ff50c8 NC |
788 | int regmap_parse_val(struct regmap *map, const void *buf, |
789 | unsigned int *val); | |
22f0d90a | 790 | |
76aad392 DC |
791 | static inline bool regmap_reg_in_range(unsigned int reg, |
792 | const struct regmap_range *range) | |
793 | { | |
794 | return reg >= range->range_min && reg <= range->range_max; | |
795 | } | |
796 | ||
797 | bool regmap_reg_in_ranges(unsigned int reg, | |
798 | const struct regmap_range *ranges, | |
799 | unsigned int nranges); | |
800 | ||
67252287 SK |
801 | /** |
802 | * Description of an register field | |
803 | * | |
804 | * @reg: Offset of the register within the regmap bank | |
805 | * @lsb: lsb of the register field. | |
f27b37f5 | 806 | * @msb: msb of the register field. |
a0102375 KM |
807 | * @id_size: port size if it has some ports |
808 | * @id_offset: address offset for each ports | |
67252287 SK |
809 | */ |
810 | struct reg_field { | |
811 | unsigned int reg; | |
812 | unsigned int lsb; | |
813 | unsigned int msb; | |
a0102375 KM |
814 | unsigned int id_size; |
815 | unsigned int id_offset; | |
67252287 SK |
816 | }; |
817 | ||
818 | #define REG_FIELD(_reg, _lsb, _msb) { \ | |
819 | .reg = _reg, \ | |
820 | .lsb = _lsb, \ | |
821 | .msb = _msb, \ | |
822 | } | |
823 | ||
824 | struct regmap_field *regmap_field_alloc(struct regmap *regmap, | |
825 | struct reg_field reg_field); | |
826 | void regmap_field_free(struct regmap_field *field); | |
827 | ||
828 | struct regmap_field *devm_regmap_field_alloc(struct device *dev, | |
829 | struct regmap *regmap, struct reg_field reg_field); | |
830 | void devm_regmap_field_free(struct device *dev, struct regmap_field *field); | |
831 | ||
832 | int regmap_field_read(struct regmap_field *field, unsigned int *val); | |
28972eaa KM |
833 | int regmap_field_update_bits_base(struct regmap_field *field, |
834 | unsigned int mask, unsigned int val, | |
835 | bool *change, bool async, bool force); | |
a0102375 KM |
836 | int regmap_fields_read(struct regmap_field *field, unsigned int id, |
837 | unsigned int *val); | |
e126edec KM |
838 | int regmap_fields_update_bits_base(struct regmap_field *field, unsigned int id, |
839 | unsigned int mask, unsigned int val, | |
840 | bool *change, bool async, bool force); | |
76aad392 | 841 | |
f8beab2b MB |
842 | /** |
843 | * Description of an IRQ for the generic regmap irq_chip. | |
844 | * | |
845 | * @reg_offset: Offset of the status/mask register within the bank | |
846 | * @mask: Mask used to flag/control the register. | |
7a78479f LD |
847 | * @type_reg_offset: Offset register for the irq type setting. |
848 | * @type_rising_mask: Mask bit to configure RISING type irq. | |
849 | * @type_falling_mask: Mask bit to configure FALLING type irq. | |
f8beab2b MB |
850 | */ |
851 | struct regmap_irq { | |
852 | unsigned int reg_offset; | |
853 | unsigned int mask; | |
7a78479f LD |
854 | unsigned int type_reg_offset; |
855 | unsigned int type_rising_mask; | |
856 | unsigned int type_falling_mask; | |
f8beab2b MB |
857 | }; |
858 | ||
b4fe8ba7 QZ |
859 | #define REGMAP_IRQ_REG(_irq, _off, _mask) \ |
860 | [_irq] = { .reg_offset = (_off), .mask = (_mask) } | |
861 | ||
f8beab2b MB |
862 | /** |
863 | * Description of a generic regmap irq_chip. This is not intended to | |
864 | * handle every possible interrupt controller, but it should handle a | |
865 | * substantial proportion of those that are found in the wild. | |
866 | * | |
867 | * @name: Descriptive name for IRQ controller. | |
868 | * | |
869 | * @status_base: Base status register address. | |
870 | * @mask_base: Base mask register address. | |
7b7d1968 GZ |
871 | * @unmask_base: Base unmask register address. for chips who have |
872 | * separate mask and unmask registers | |
d3233433 AS |
873 | * @ack_base: Base ack address. If zero then the chip is clear on read. |
874 | * Using zero value is possible with @use_ack bit. | |
a43fd50d | 875 | * @wake_base: Base address for wake enables. If zero unsupported. |
7a78479f | 876 | * @type_base: Base address for irq type. If zero unsupported. |
022f926a | 877 | * @irq_reg_stride: Stride to use for chips where registers are not contiguous. |
2753e6f8 | 878 | * @init_ack_masked: Ack all masked interrupts once during initalization. |
68622bdf | 879 | * @mask_invert: Inverted mask register: cleared bits are masked out. |
d3233433 | 880 | * @use_ack: Use @ack register even if it is zero. |
a650fdd9 | 881 | * @ack_invert: Inverted ack register: cleared bits for ack. |
68622bdf | 882 | * @wake_invert: Inverted wake register: cleared bits are wake enabled. |
7a78479f | 883 | * @type_invert: Invert the type flags. |
0c00c50b | 884 | * @runtime_pm: Hold a runtime PM lock on the device when accessing it. |
f8beab2b MB |
885 | * |
886 | * @num_regs: Number of registers in each control bank. | |
887 | * @irqs: Descriptors for individual IRQs. Interrupt numbers are | |
888 | * assigned based on the index in the array of the interrupt. | |
889 | * @num_irqs: Number of descriptors. | |
7a78479f LD |
890 | * @num_type_reg: Number of type registers. |
891 | * @type_reg_stride: Stride to use for chips where type registers are not | |
892 | * contiguous. | |
ccc12561 LD |
893 | * @handle_pre_irq: Driver specific callback to handle interrupt from device |
894 | * before regmap_irq_handler process the interrupts. | |
895 | * @handle_post_irq: Driver specific callback to handle interrupt from device | |
896 | * after handling the interrupts in regmap_irq_handler(). | |
897 | * @irq_drv_data: Driver specific IRQ data which is passed as parameter when | |
898 | * driver specific pre/post interrupt handler is called. | |
f8beab2b MB |
899 | */ |
900 | struct regmap_irq_chip { | |
901 | const char *name; | |
902 | ||
903 | unsigned int status_base; | |
904 | unsigned int mask_base; | |
7b7d1968 | 905 | unsigned int unmask_base; |
f8beab2b | 906 | unsigned int ack_base; |
a43fd50d | 907 | unsigned int wake_base; |
7a78479f | 908 | unsigned int type_base; |
022f926a | 909 | unsigned int irq_reg_stride; |
f484f7a6 PZ |
910 | bool init_ack_masked:1; |
911 | bool mask_invert:1; | |
d3233433 | 912 | bool use_ack:1; |
a650fdd9 | 913 | bool ack_invert:1; |
f484f7a6 PZ |
914 | bool wake_invert:1; |
915 | bool runtime_pm:1; | |
7a78479f | 916 | bool type_invert:1; |
f8beab2b MB |
917 | |
918 | int num_regs; | |
919 | ||
920 | const struct regmap_irq *irqs; | |
921 | int num_irqs; | |
7a78479f LD |
922 | |
923 | int num_type_reg; | |
924 | unsigned int type_reg_stride; | |
ccc12561 LD |
925 | |
926 | int (*handle_pre_irq)(void *irq_drv_data); | |
927 | int (*handle_post_irq)(void *irq_drv_data); | |
928 | void *irq_drv_data; | |
f8beab2b MB |
929 | }; |
930 | ||
931 | struct regmap_irq_chip_data; | |
932 | ||
933 | int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags, | |
b026ddbb | 934 | int irq_base, const struct regmap_irq_chip *chip, |
f8beab2b MB |
935 | struct regmap_irq_chip_data **data); |
936 | void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *data); | |
045b9848 LD |
937 | |
938 | int devm_regmap_add_irq_chip(struct device *dev, struct regmap *map, int irq, | |
939 | int irq_flags, int irq_base, | |
940 | const struct regmap_irq_chip *chip, | |
941 | struct regmap_irq_chip_data **data); | |
942 | void devm_regmap_del_irq_chip(struct device *dev, int irq, | |
943 | struct regmap_irq_chip_data *data); | |
944 | ||
209a6006 | 945 | int regmap_irq_chip_get_base(struct regmap_irq_chip_data *data); |
4af8be67 | 946 | int regmap_irq_get_virq(struct regmap_irq_chip_data *data, int irq); |
90f790d2 | 947 | struct irq_domain *regmap_irq_get_domain(struct regmap_irq_chip_data *data); |
92afb286 | 948 | |
9cde5fcd MB |
949 | #else |
950 | ||
951 | /* | |
952 | * These stubs should only ever be called by generic code which has | |
953 | * regmap based facilities, if they ever get called at runtime | |
954 | * something is going wrong and something probably needs to select | |
955 | * REGMAP. | |
956 | */ | |
957 | ||
958 | static inline int regmap_write(struct regmap *map, unsigned int reg, | |
959 | unsigned int val) | |
960 | { | |
961 | WARN_ONCE(1, "regmap API is disabled"); | |
962 | return -EINVAL; | |
963 | } | |
964 | ||
915f441b MB |
965 | static inline int regmap_write_async(struct regmap *map, unsigned int reg, |
966 | unsigned int val) | |
967 | { | |
968 | WARN_ONCE(1, "regmap API is disabled"); | |
969 | return -EINVAL; | |
970 | } | |
971 | ||
9cde5fcd MB |
972 | static inline int regmap_raw_write(struct regmap *map, unsigned int reg, |
973 | const void *val, size_t val_len) | |
974 | { | |
975 | WARN_ONCE(1, "regmap API is disabled"); | |
976 | return -EINVAL; | |
977 | } | |
978 | ||
0d509f2b MB |
979 | static inline int regmap_raw_write_async(struct regmap *map, unsigned int reg, |
980 | const void *val, size_t val_len) | |
981 | { | |
982 | WARN_ONCE(1, "regmap API is disabled"); | |
983 | return -EINVAL; | |
984 | } | |
985 | ||
9cde5fcd MB |
986 | static inline int regmap_bulk_write(struct regmap *map, unsigned int reg, |
987 | const void *val, size_t val_count) | |
988 | { | |
989 | WARN_ONCE(1, "regmap API is disabled"); | |
990 | return -EINVAL; | |
991 | } | |
992 | ||
993 | static inline int regmap_read(struct regmap *map, unsigned int reg, | |
994 | unsigned int *val) | |
995 | { | |
996 | WARN_ONCE(1, "regmap API is disabled"); | |
997 | return -EINVAL; | |
998 | } | |
999 | ||
1000 | static inline int regmap_raw_read(struct regmap *map, unsigned int reg, | |
1001 | void *val, size_t val_len) | |
1002 | { | |
1003 | WARN_ONCE(1, "regmap API is disabled"); | |
1004 | return -EINVAL; | |
1005 | } | |
1006 | ||
1007 | static inline int regmap_bulk_read(struct regmap *map, unsigned int reg, | |
1008 | void *val, size_t val_count) | |
1009 | { | |
1010 | WARN_ONCE(1, "regmap API is disabled"); | |
1011 | return -EINVAL; | |
1012 | } | |
1013 | ||
91d31b9f KM |
1014 | static inline int regmap_update_bits_base(struct regmap *map, unsigned int reg, |
1015 | unsigned int mask, unsigned int val, | |
1016 | bool *change, bool async, bool force) | |
fd4b7286 KM |
1017 | { |
1018 | WARN_ONCE(1, "regmap API is disabled"); | |
1019 | return -EINVAL; | |
1020 | } | |
1021 | ||
28972eaa KM |
1022 | static inline int regmap_field_update_bits_base(struct regmap_field *field, |
1023 | unsigned int mask, unsigned int val, | |
1024 | bool *change, bool async, bool force) | |
915f441b MB |
1025 | { |
1026 | WARN_ONCE(1, "regmap API is disabled"); | |
1027 | return -EINVAL; | |
1028 | } | |
1029 | ||
e126edec KM |
1030 | static inline int regmap_fields_update_bits_base(struct regmap_field *field, |
1031 | unsigned int id, | |
1032 | unsigned int mask, unsigned int val, | |
1033 | bool *change, bool async, bool force) | |
915f441b MB |
1034 | { |
1035 | WARN_ONCE(1, "regmap API is disabled"); | |
1036 | return -EINVAL; | |
1037 | } | |
1038 | ||
9cde5fcd MB |
1039 | static inline int regmap_get_val_bytes(struct regmap *map) |
1040 | { | |
1041 | WARN_ONCE(1, "regmap API is disabled"); | |
1042 | return -EINVAL; | |
1043 | } | |
1044 | ||
668abc72 SK |
1045 | static inline int regmap_get_max_register(struct regmap *map) |
1046 | { | |
1047 | WARN_ONCE(1, "regmap API is disabled"); | |
1048 | return -EINVAL; | |
1049 | } | |
1050 | ||
a2f776cb SK |
1051 | static inline int regmap_get_reg_stride(struct regmap *map) |
1052 | { | |
1053 | WARN_ONCE(1, "regmap API is disabled"); | |
1054 | return -EINVAL; | |
1055 | } | |
1056 | ||
9cde5fcd MB |
1057 | static inline int regcache_sync(struct regmap *map) |
1058 | { | |
1059 | WARN_ONCE(1, "regmap API is disabled"); | |
1060 | return -EINVAL; | |
1061 | } | |
1062 | ||
a313f9f5 MB |
1063 | static inline int regcache_sync_region(struct regmap *map, unsigned int min, |
1064 | unsigned int max) | |
1065 | { | |
1066 | WARN_ONCE(1, "regmap API is disabled"); | |
1067 | return -EINVAL; | |
1068 | } | |
1069 | ||
697e85bc MB |
1070 | static inline int regcache_drop_region(struct regmap *map, unsigned int min, |
1071 | unsigned int max) | |
1072 | { | |
1073 | WARN_ONCE(1, "regmap API is disabled"); | |
1074 | return -EINVAL; | |
1075 | } | |
1076 | ||
9cde5fcd MB |
1077 | static inline void regcache_cache_only(struct regmap *map, bool enable) |
1078 | { | |
1079 | WARN_ONCE(1, "regmap API is disabled"); | |
1080 | } | |
1081 | ||
1082 | static inline void regcache_cache_bypass(struct regmap *map, bool enable) | |
1083 | { | |
1084 | WARN_ONCE(1, "regmap API is disabled"); | |
1085 | } | |
1086 | ||
1087 | static inline void regcache_mark_dirty(struct regmap *map) | |
1088 | { | |
1089 | WARN_ONCE(1, "regmap API is disabled"); | |
1090 | } | |
1091 | ||
0d509f2b MB |
1092 | static inline void regmap_async_complete(struct regmap *map) |
1093 | { | |
1094 | WARN_ONCE(1, "regmap API is disabled"); | |
1095 | } | |
1096 | ||
9cde5fcd | 1097 | static inline int regmap_register_patch(struct regmap *map, |
a6baa3de | 1098 | const struct reg_sequence *regs, |
9cde5fcd MB |
1099 | int num_regs) |
1100 | { | |
1101 | WARN_ONCE(1, "regmap API is disabled"); | |
1102 | return -EINVAL; | |
1103 | } | |
1104 | ||
13ff50c8 NC |
1105 | static inline int regmap_parse_val(struct regmap *map, const void *buf, |
1106 | unsigned int *val) | |
1107 | { | |
1108 | WARN_ONCE(1, "regmap API is disabled"); | |
1109 | return -EINVAL; | |
1110 | } | |
1111 | ||
72b39f6f MB |
1112 | static inline struct regmap *dev_get_regmap(struct device *dev, |
1113 | const char *name) | |
1114 | { | |
72b39f6f MB |
1115 | return NULL; |
1116 | } | |
1117 | ||
8d7d3972 TT |
1118 | static inline struct device *regmap_get_device(struct regmap *map) |
1119 | { | |
1120 | WARN_ONCE(1, "regmap API is disabled"); | |
1d33dc6b | 1121 | return NULL; |
8d7d3972 TT |
1122 | } |
1123 | ||
9cde5fcd MB |
1124 | #endif |
1125 | ||
b83a313b | 1126 | #endif |