LCOV - code coverage report
Current view: top level - include/linux - regmap.h (source / functions) Hit Total Coverage
Test: Real Lines: 0 1 0.0 %
Date: 2020-10-17 15:46:16 Functions: 0 0 -
Legend: Neither, QEMU, Real, Both Branches: 0 0 -

           Branch data     Line data    Source code
       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 <broonie@opensource.wolfsonmicro.com>
      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                 :            : 
      21                 :            : struct module;
      22                 :            : struct clk;
      23                 :            : struct device;
      24                 :            : struct i2c_client;
      25                 :            : struct i3c_device;
      26                 :            : struct irq_domain;
      27                 :            : struct slim_device;
      28                 :            : struct spi_device;
      29                 :            : struct spmi_device;
      30                 :            : struct regmap;
      31                 :            : struct regmap_range_cfg;
      32                 :            : struct regmap_field;
      33                 :            : struct snd_ac97;
      34                 :            : struct sdw_slave;
      35                 :            : 
      36                 :            : /* An enum of all the supported cache types */
      37                 :            : enum regcache_type {
      38                 :            :         REGCACHE_NONE,
      39                 :            :         REGCACHE_RBTREE,
      40                 :            :         REGCACHE_COMPRESSED,
      41                 :            :         REGCACHE_FLAT,
      42                 :            : };
      43                 :            : 
      44                 :            : /**
      45                 :            :  * struct reg_default - Default value for a register.
      46                 :            :  *
      47                 :            :  * @reg: Register address.
      48                 :            :  * @def: Register default value.
      49                 :            :  *
      50                 :            :  * We use an array of structs rather than a simple array as many modern devices
      51                 :            :  * have very sparse register maps.
      52                 :            :  */
      53                 :            : struct reg_default {
      54                 :            :         unsigned int reg;
      55                 :            :         unsigned int def;
      56                 :            : };
      57                 :            : 
      58                 :            : /**
      59                 :            :  * struct reg_sequence - An individual write from a sequence of writes.
      60                 :            :  *
      61                 :            :  * @reg: Register address.
      62                 :            :  * @def: Register value.
      63                 :            :  * @delay_us: Delay to be applied after the register write in microseconds
      64                 :            :  *
      65                 :            :  * Register/value pairs for sequences of writes with an optional delay in
      66                 :            :  * microseconds to be applied after each write.
      67                 :            :  */
      68                 :            : struct reg_sequence {
      69                 :            :         unsigned int reg;
      70                 :            :         unsigned int def;
      71                 :            :         unsigned int delay_us;
      72                 :            : };
      73                 :            : 
      74                 :            : #define regmap_update_bits(map, reg, mask, val) \
      75                 :            :         regmap_update_bits_base(map, reg, mask, val, NULL, false, false)
      76                 :            : #define regmap_update_bits_async(map, reg, mask, val)\
      77                 :            :         regmap_update_bits_base(map, reg, mask, val, NULL, true, false)
      78                 :            : #define regmap_update_bits_check(map, reg, mask, val, change)\
      79                 :            :         regmap_update_bits_base(map, reg, mask, val, change, false, false)
      80                 :            : #define regmap_update_bits_check_async(map, reg, mask, val, change)\
      81                 :            :         regmap_update_bits_base(map, reg, mask, val, change, true, false)
      82                 :            : 
      83                 :            : #define regmap_write_bits(map, reg, mask, val) \
      84                 :            :         regmap_update_bits_base(map, reg, mask, val, NULL, false, true)
      85                 :            : 
      86                 :            : #define regmap_field_write(field, val) \
      87                 :            :         regmap_field_update_bits_base(field, ~0, val, NULL, false, false)
      88                 :            : #define regmap_field_force_write(field, val) \
      89                 :            :         regmap_field_update_bits_base(field, ~0, val, NULL, false, true)
      90                 :            : #define regmap_field_update_bits(field, mask, val)\
      91                 :            :         regmap_field_update_bits_base(field, mask, val, NULL, false, false)
      92                 :            : #define regmap_field_force_update_bits(field, mask, val) \
      93                 :            :         regmap_field_update_bits_base(field, mask, val, NULL, false, true)
      94                 :            : 
      95                 :            : #define regmap_fields_write(field, id, val) \
      96                 :            :         regmap_fields_update_bits_base(field, id, ~0, val, NULL, false, false)
      97                 :            : #define regmap_fields_force_write(field, id, val) \
      98                 :            :         regmap_fields_update_bits_base(field, id, ~0, val, NULL, false, true)
      99                 :            : #define regmap_fields_update_bits(field, id, mask, val)\
     100                 :            :         regmap_fields_update_bits_base(field, id, mask, val, NULL, false, false)
     101                 :            : #define regmap_fields_force_update_bits(field, id, mask, val) \
     102                 :            :         regmap_fields_update_bits_base(field, id, mask, val, NULL, false, true)
     103                 :            : 
     104                 :            : /**
     105                 :            :  * regmap_read_poll_timeout - Poll until a condition is met or a timeout occurs
     106                 :            :  *
     107                 :            :  * @map: Regmap to read from
     108                 :            :  * @addr: Address to poll
     109                 :            :  * @val: Unsigned integer variable to read the value into
     110                 :            :  * @cond: Break condition (usually involving @val)
     111                 :            :  * @sleep_us: Maximum time to sleep between reads in us (0
     112                 :            :  *            tight-loops).  Should be less than ~20ms since usleep_range
     113                 :            :  *            is used (see Documentation/timers/timers-howto.rst).
     114                 :            :  * @timeout_us: Timeout in us, 0 means never timeout
     115                 :            :  *
     116                 :            :  * Returns 0 on success and -ETIMEDOUT upon a timeout or the regmap_read
     117                 :            :  * error return value in case of a error read. In the two former cases,
     118                 :            :  * the last read value at @addr is stored in @val. Must not be called
     119                 :            :  * from atomic context if sleep_us or timeout_us are used.
     120                 :            :  *
     121                 :            :  * This is modelled after the readx_poll_timeout macros in linux/iopoll.h.
     122                 :            :  */
     123                 :            : #define regmap_read_poll_timeout(map, addr, val, cond, sleep_us, timeout_us) \
     124                 :            : ({ \
     125                 :            :         u64 __timeout_us = (timeout_us); \
     126                 :            :         unsigned long __sleep_us = (sleep_us); \
     127                 :            :         ktime_t __timeout = ktime_add_us(ktime_get(), __timeout_us); \
     128                 :            :         int __ret; \
     129                 :            :         might_sleep_if(__sleep_us); \
     130                 :            :         for (;;) { \
     131                 :            :                 __ret = regmap_read((map), (addr), &(val)); \
     132                 :            :                 if (__ret) \
     133                 :            :                         break; \
     134                 :            :                 if (cond) \
     135                 :            :                         break; \
     136                 :            :                 if ((__timeout_us) && \
     137                 :            :                     ktime_compare(ktime_get(), __timeout) > 0) { \
     138                 :            :                         __ret = regmap_read((map), (addr), &(val)); \
     139                 :            :                         break; \
     140                 :            :                 } \
     141                 :            :                 if (__sleep_us) \
     142                 :            :                         usleep_range((__sleep_us >> 2) + 1, __sleep_us); \
     143                 :            :         } \
     144                 :            :         __ret ?: ((cond) ? 0 : -ETIMEDOUT); \
     145                 :            : })
     146                 :            : 
     147                 :            : /**
     148                 :            :  * regmap_field_read_poll_timeout - Poll until a condition is met or timeout
     149                 :            :  *
     150                 :            :  * @field: Regmap field to read from
     151                 :            :  * @val: Unsigned integer variable to read the value into
     152                 :            :  * @cond: Break condition (usually involving @val)
     153                 :            :  * @sleep_us: Maximum time to sleep between reads in us (0
     154                 :            :  *            tight-loops).  Should be less than ~20ms since usleep_range
     155                 :            :  *            is used (see Documentation/timers/timers-howto.rst).
     156                 :            :  * @timeout_us: Timeout in us, 0 means never timeout
     157                 :            :  *
     158                 :            :  * Returns 0 on success and -ETIMEDOUT upon a timeout or the regmap_field_read
     159                 :            :  * error return value in case of a error read. In the two former cases,
     160                 :            :  * the last read value at @addr is stored in @val. Must not be called
     161                 :            :  * from atomic context if sleep_us or timeout_us are used.
     162                 :            :  *
     163                 :            :  * This is modelled after the readx_poll_timeout macros in linux/iopoll.h.
     164                 :            :  */
     165                 :            : #define regmap_field_read_poll_timeout(field, val, cond, sleep_us, timeout_us) \
     166                 :            : ({ \
     167                 :            :         u64 __timeout_us = (timeout_us); \
     168                 :            :         unsigned long __sleep_us = (sleep_us); \
     169                 :            :         ktime_t timeout = ktime_add_us(ktime_get(), __timeout_us); \
     170                 :            :         int pollret; \
     171                 :            :         might_sleep_if(__sleep_us); \
     172                 :            :         for (;;) { \
     173                 :            :                 pollret = regmap_field_read((field), &(val)); \
     174                 :            :                 if (pollret) \
     175                 :            :                         break; \
     176                 :            :                 if (cond) \
     177                 :            :                         break; \
     178                 :            :                 if (__timeout_us && ktime_compare(ktime_get(), timeout) > 0) { \
     179                 :            :                         pollret = regmap_field_read((field), &(val)); \
     180                 :            :                         break; \
     181                 :            :                 } \
     182                 :            :                 if (__sleep_us) \
     183                 :            :                         usleep_range((__sleep_us >> 2) + 1, __sleep_us); \
     184                 :            :         } \
     185                 :            :         pollret ?: ((cond) ? 0 : -ETIMEDOUT); \
     186                 :            : })
     187                 :            : 
     188                 :            : #ifdef CONFIG_REGMAP
     189                 :            : 
     190                 :            : enum regmap_endian {
     191                 :            :         /* Unspecified -> 0 -> Backwards compatible default */
     192                 :            :         REGMAP_ENDIAN_DEFAULT = 0,
     193                 :            :         REGMAP_ENDIAN_BIG,
     194                 :            :         REGMAP_ENDIAN_LITTLE,
     195                 :            :         REGMAP_ENDIAN_NATIVE,
     196                 :            : };
     197                 :            : 
     198                 :            : /**
     199                 :            :  * struct regmap_range - A register range, used for access related checks
     200                 :            :  *                       (readable/writeable/volatile/precious checks)
     201                 :            :  *
     202                 :            :  * @range_min: address of first register
     203                 :            :  * @range_max: address of last register
     204                 :            :  */
     205                 :            : struct regmap_range {
     206                 :            :         unsigned int range_min;
     207                 :            :         unsigned int range_max;
     208                 :            : };
     209                 :            : 
     210                 :            : #define regmap_reg_range(low, high) { .range_min = low, .range_max = high, }
     211                 :            : 
     212                 :            : /**
     213                 :            :  * struct regmap_access_table - A table of register ranges for access checks
     214                 :            :  *
     215                 :            :  * @yes_ranges : pointer to an array of regmap ranges used as "yes ranges"
     216                 :            :  * @n_yes_ranges: size of the above array
     217                 :            :  * @no_ranges: pointer to an array of regmap ranges used as "no ranges"
     218                 :            :  * @n_no_ranges: size of the above array
     219                 :            :  *
     220                 :            :  * A table of ranges including some yes ranges and some no ranges.
     221                 :            :  * If a register belongs to a no_range, the corresponding check function
     222                 :            :  * will return false. If a register belongs to a yes range, the corresponding
     223                 :            :  * check function will return true. "no_ranges" are searched first.
     224                 :            :  */
     225                 :            : struct regmap_access_table {
     226                 :            :         const struct regmap_range *yes_ranges;
     227                 :            :         unsigned int n_yes_ranges;
     228                 :            :         const struct regmap_range *no_ranges;
     229                 :            :         unsigned int n_no_ranges;
     230                 :            : };
     231                 :            : 
     232                 :            : typedef void (*regmap_lock)(void *);
     233                 :            : typedef void (*regmap_unlock)(void *);
     234                 :            : 
     235                 :            : /**
     236                 :            :  * struct regmap_config - Configuration for the register map of a device.
     237                 :            :  *
     238                 :            :  * @name: Optional name of the regmap. Useful when a device has multiple
     239                 :            :  *        register regions.
     240                 :            :  *
     241                 :            :  * @reg_bits: Number of bits in a register address, mandatory.
     242                 :            :  * @reg_stride: The register address stride. Valid register addresses are a
     243                 :            :  *              multiple of this value. If set to 0, a value of 1 will be
     244                 :            :  *              used.
     245                 :            :  * @pad_bits: Number of bits of padding between register and value.
     246                 :            :  * @val_bits: Number of bits in a register value, mandatory.
     247                 :            :  *
     248                 :            :  * @writeable_reg: Optional callback returning true if the register
     249                 :            :  *                 can be written to. If this field is NULL but wr_table
     250                 :            :  *                 (see below) is not, the check is performed on such table
     251                 :            :  *                 (a register is writeable if it belongs to one of the ranges
     252                 :            :  *                  specified by wr_table).
     253                 :            :  * @readable_reg: Optional callback returning true if the register
     254                 :            :  *                can be read from. If this field is NULL but rd_table
     255                 :            :  *                 (see below) is not, the check is performed on such table
     256                 :            :  *                 (a register is readable if it belongs to one of the ranges
     257                 :            :  *                  specified by rd_table).
     258                 :            :  * @volatile_reg: Optional callback returning true if the register
     259                 :            :  *                value can't be cached. If this field is NULL but
     260                 :            :  *                volatile_table (see below) is not, the check is performed on
     261                 :            :  *                such table (a register is volatile if it belongs to one of
     262                 :            :  *                the ranges specified by volatile_table).
     263                 :            :  * @precious_reg: Optional callback returning true if the register
     264                 :            :  *                should not be read outside of a call from the driver
     265                 :            :  *                (e.g., a clear on read interrupt status register). If this
     266                 :            :  *                field is NULL but precious_table (see below) is not, the
     267                 :            :  *                check is performed on such table (a register is precious if
     268                 :            :  *                it belongs to one of the ranges specified by precious_table).
     269                 :            :  * @writeable_noinc_reg: Optional callback returning true if the register
     270                 :            :  *                      supports multiple write operations without incrementing
     271                 :            :  *                      the register number. If this field is NULL but
     272                 :            :  *                      wr_noinc_table (see below) is not, the check is
     273                 :            :  *                      performed on such table (a register is no increment
     274                 :            :  *                      writeable if it belongs to one of the ranges specified
     275                 :            :  *                      by wr_noinc_table).
     276                 :            :  * @readable_noinc_reg: Optional callback returning true if the register
     277                 :            :  *                      supports multiple read operations without incrementing
     278                 :            :  *                      the register number. If this field is NULL but
     279                 :            :  *                      rd_noinc_table (see below) is not, the check is
     280                 :            :  *                      performed on such table (a register is no increment
     281                 :            :  *                      readable if it belongs to one of the ranges specified
     282                 :            :  *                      by rd_noinc_table).
     283                 :            :  * @disable_locking: This regmap is either protected by external means or
     284                 :            :  *                   is guaranteed not be be accessed from multiple threads.
     285                 :            :  *                   Don't use any locking mechanisms.
     286                 :            :  * @lock:         Optional lock callback (overrides regmap's default lock
     287                 :            :  *                function, based on spinlock or mutex).
     288                 :            :  * @unlock:       As above for unlocking.
     289                 :            :  * @lock_arg:     this field is passed as the only argument of lock/unlock
     290                 :            :  *                functions (ignored in case regular lock/unlock functions
     291                 :            :  *                are not overridden).
     292                 :            :  * @reg_read:     Optional callback that if filled will be used to perform
     293                 :            :  *                all the reads from the registers. Should only be provided for
     294                 :            :  *                devices whose read operation cannot be represented as a simple
     295                 :            :  *                read operation on a bus such as SPI, I2C, etc. Most of the
     296                 :            :  *                devices do not need this.
     297                 :            :  * @reg_write:    Same as above for writing.
     298                 :            :  * @fast_io:      Register IO is fast. Use a spinlock instead of a mutex
     299                 :            :  *                to perform locking. This field is ignored if custom lock/unlock
     300                 :            :  *                functions are used (see fields lock/unlock of struct regmap_config).
     301                 :            :  *                This field is a duplicate of a similar file in
     302                 :            :  *                'struct regmap_bus' and serves exact same purpose.
     303                 :            :  *                 Use it only for "no-bus" cases.
     304                 :            :  * @max_register: Optional, specifies the maximum valid register address.
     305                 :            :  * @wr_table:     Optional, points to a struct regmap_access_table specifying
     306                 :            :  *                valid ranges for write access.
     307                 :            :  * @rd_table:     As above, for read access.
     308                 :            :  * @volatile_table: As above, for volatile registers.
     309                 :            :  * @precious_table: As above, for precious registers.
     310                 :            :  * @wr_noinc_table: As above, for no increment writeable registers.
     311                 :            :  * @rd_noinc_table: As above, for no increment readable registers.
     312                 :            :  * @reg_defaults: Power on reset values for registers (for use with
     313                 :            :  *                register cache support).
     314                 :            :  * @num_reg_defaults: Number of elements in reg_defaults.
     315                 :            :  *
     316                 :            :  * @read_flag_mask: Mask to be set in the top bytes of the register when doing
     317                 :            :  *                  a read.
     318                 :            :  * @write_flag_mask: Mask to be set in the top bytes of the register when doing
     319                 :            :  *                   a write. If both read_flag_mask and write_flag_mask are
     320                 :            :  *                   empty and zero_flag_mask is not set the regmap_bus default
     321                 :            :  *                   masks are used.
     322                 :            :  * @zero_flag_mask: If set, read_flag_mask and write_flag_mask are used even
     323                 :            :  *                   if they are both empty.
     324                 :            :  * @use_single_read: If set, converts the bulk read operation into a series of
     325                 :            :  *                   single read operations. This is useful for a device that
     326                 :            :  *                   does not support  bulk read.
     327                 :            :  * @use_single_write: If set, converts the bulk write operation into a series of
     328                 :            :  *                    single write operations. This is useful for a device that
     329                 :            :  *                    does not support bulk write.
     330                 :            :  * @can_multi_write: If set, the device supports the multi write mode of bulk
     331                 :            :  *                   write operations, if clear multi write requests will be
     332                 :            :  *                   split into individual write operations
     333                 :            :  *
     334                 :            :  * @cache_type: The actual cache type.
     335                 :            :  * @reg_defaults_raw: Power on reset values for registers (for use with
     336                 :            :  *                    register cache support).
     337                 :            :  * @num_reg_defaults_raw: Number of elements in reg_defaults_raw.
     338                 :            :  * @reg_format_endian: Endianness for formatted register addresses. If this is
     339                 :            :  *                     DEFAULT, the @reg_format_endian_default value from the
     340                 :            :  *                     regmap bus is used.
     341                 :            :  * @val_format_endian: Endianness for formatted register values. If this is
     342                 :            :  *                     DEFAULT, the @reg_format_endian_default value from the
     343                 :            :  *                     regmap bus is used.
     344                 :            :  *
     345                 :            :  * @ranges: Array of configuration entries for virtual address ranges.
     346                 :            :  * @num_ranges: Number of range configuration entries.
     347                 :            :  * @use_hwlock: Indicate if a hardware spinlock should be used.
     348                 :            :  * @hwlock_id: Specify the hardware spinlock id.
     349                 :            :  * @hwlock_mode: The hardware spinlock mode, should be HWLOCK_IRQSTATE,
     350                 :            :  *               HWLOCK_IRQ or 0.
     351                 :            :  */
     352                 :            : struct regmap_config {
     353                 :            :         const char *name;
     354                 :            : 
     355                 :            :         int reg_bits;
     356                 :            :         int reg_stride;
     357                 :            :         int pad_bits;
     358                 :            :         int val_bits;
     359                 :            : 
     360                 :            :         bool (*writeable_reg)(struct device *dev, unsigned int reg);
     361                 :            :         bool (*readable_reg)(struct device *dev, unsigned int reg);
     362                 :            :         bool (*volatile_reg)(struct device *dev, unsigned int reg);
     363                 :            :         bool (*precious_reg)(struct device *dev, unsigned int reg);
     364                 :            :         bool (*writeable_noinc_reg)(struct device *dev, unsigned int reg);
     365                 :            :         bool (*readable_noinc_reg)(struct device *dev, unsigned int reg);
     366                 :            : 
     367                 :            :         bool disable_locking;
     368                 :            :         regmap_lock lock;
     369                 :            :         regmap_unlock unlock;
     370                 :            :         void *lock_arg;
     371                 :            : 
     372                 :            :         int (*reg_read)(void *context, unsigned int reg, unsigned int *val);
     373                 :            :         int (*reg_write)(void *context, unsigned int reg, unsigned int val);
     374                 :            : 
     375                 :            :         bool fast_io;
     376                 :            : 
     377                 :            :         unsigned int max_register;
     378                 :            :         const struct regmap_access_table *wr_table;
     379                 :            :         const struct regmap_access_table *rd_table;
     380                 :            :         const struct regmap_access_table *volatile_table;
     381                 :            :         const struct regmap_access_table *precious_table;
     382                 :            :         const struct regmap_access_table *wr_noinc_table;
     383                 :            :         const struct regmap_access_table *rd_noinc_table;
     384                 :            :         const struct reg_default *reg_defaults;
     385                 :            :         unsigned int num_reg_defaults;
     386                 :            :         enum regcache_type cache_type;
     387                 :            :         const void *reg_defaults_raw;
     388                 :            :         unsigned int num_reg_defaults_raw;
     389                 :            : 
     390                 :            :         unsigned long read_flag_mask;
     391                 :            :         unsigned long write_flag_mask;
     392                 :            :         bool zero_flag_mask;
     393                 :            : 
     394                 :            :         bool use_single_read;
     395                 :            :         bool use_single_write;
     396                 :            :         bool can_multi_write;
     397                 :            : 
     398                 :            :         enum regmap_endian reg_format_endian;
     399                 :            :         enum regmap_endian val_format_endian;
     400                 :            : 
     401                 :            :         const struct regmap_range_cfg *ranges;
     402                 :            :         unsigned int num_ranges;
     403                 :            : 
     404                 :            :         bool use_hwlock;
     405                 :            :         unsigned int hwlock_id;
     406                 :            :         unsigned int hwlock_mode;
     407                 :            : };
     408                 :            : 
     409                 :            : /**
     410                 :            :  * struct regmap_range_cfg - Configuration for indirectly accessed or paged
     411                 :            :  *                           registers.
     412                 :            :  *
     413                 :            :  * @name: Descriptive name for diagnostics
     414                 :            :  *
     415                 :            :  * @range_min: Address of the lowest register address in virtual range.
     416                 :            :  * @range_max: Address of the highest register in virtual range.
     417                 :            :  *
     418                 :            :  * @selector_reg: Register with selector field.
     419                 :            :  * @selector_mask: Bit shift for selector value.
     420                 :            :  * @selector_shift: Bit mask for selector value.
     421                 :            :  *
     422                 :            :  * @window_start: Address of first (lowest) register in data window.
     423                 :            :  * @window_len: Number of registers in data window.
     424                 :            :  *
     425                 :            :  * Registers, mapped to this virtual range, are accessed in two steps:
     426                 :            :  *     1. page selector register update;
     427                 :            :  *     2. access through data window registers.
     428                 :            :  */
     429                 :            : struct regmap_range_cfg {
     430                 :            :         const char *name;
     431                 :            : 
     432                 :            :         /* Registers of virtual address range */
     433                 :            :         unsigned int range_min;
     434                 :            :         unsigned int range_max;
     435                 :            : 
     436                 :            :         /* Page selector for indirect addressing */
     437                 :            :         unsigned int selector_reg;
     438                 :            :         unsigned int selector_mask;
     439                 :            :         int selector_shift;
     440                 :            : 
     441                 :            :         /* Data window (per each page) */
     442                 :            :         unsigned int window_start;
     443                 :            :         unsigned int window_len;
     444                 :            : };
     445                 :            : 
     446                 :            : struct regmap_async;
     447                 :            : 
     448                 :            : typedef int (*regmap_hw_write)(void *context, const void *data,
     449                 :            :                                size_t count);
     450                 :            : typedef int (*regmap_hw_gather_write)(void *context,
     451                 :            :                                       const void *reg, size_t reg_len,
     452                 :            :                                       const void *val, size_t val_len);
     453                 :            : typedef int (*regmap_hw_async_write)(void *context,
     454                 :            :                                      const void *reg, size_t reg_len,
     455                 :            :                                      const void *val, size_t val_len,
     456                 :            :                                      struct regmap_async *async);
     457                 :            : typedef int (*regmap_hw_read)(void *context,
     458                 :            :                               const void *reg_buf, size_t reg_size,
     459                 :            :                               void *val_buf, size_t val_size);
     460                 :            : typedef int (*regmap_hw_reg_read)(void *context, unsigned int reg,
     461                 :            :                                   unsigned int *val);
     462                 :            : typedef int (*regmap_hw_reg_write)(void *context, unsigned int reg,
     463                 :            :                                    unsigned int val);
     464                 :            : typedef int (*regmap_hw_reg_update_bits)(void *context, unsigned int reg,
     465                 :            :                                          unsigned int mask, unsigned int val);
     466                 :            : typedef struct regmap_async *(*regmap_hw_async_alloc)(void);
     467                 :            : typedef void (*regmap_hw_free_context)(void *context);
     468                 :            : 
     469                 :            : /**
     470                 :            :  * struct regmap_bus - Description of a hardware bus for the register map
     471                 :            :  *                     infrastructure.
     472                 :            :  *
     473                 :            :  * @fast_io: Register IO is fast. Use a spinlock instead of a mutex
     474                 :            :  *           to perform locking. This field is ignored if custom lock/unlock
     475                 :            :  *           functions are used (see fields lock/unlock of
     476                 :            :  *           struct regmap_config).
     477                 :            :  * @write: Write operation.
     478                 :            :  * @gather_write: Write operation with split register/value, return -ENOTSUPP
     479                 :            :  *                if not implemented  on a given device.
     480                 :            :  * @async_write: Write operation which completes asynchronously, optional and
     481                 :            :  *               must serialise with respect to non-async I/O.
     482                 :            :  * @reg_write: Write a single register value to the given register address. This
     483                 :            :  *             write operation has to complete when returning from the function.
     484                 :            :  * @reg_update_bits: Update bits operation to be used against volatile
     485                 :            :  *                   registers, intended for devices supporting some mechanism
     486                 :            :  *                   for setting clearing bits without having to
     487                 :            :  *                   read/modify/write.
     488                 :            :  * @read: Read operation.  Data is returned in the buffer used to transmit
     489                 :            :  *         data.
     490                 :            :  * @reg_read: Read a single register value from a given register address.
     491                 :            :  * @free_context: Free context.
     492                 :            :  * @async_alloc: Allocate a regmap_async() structure.
     493                 :            :  * @read_flag_mask: Mask to be set in the top byte of the register when doing
     494                 :            :  *                  a read.
     495                 :            :  * @reg_format_endian_default: Default endianness for formatted register
     496                 :            :  *     addresses. Used when the regmap_config specifies DEFAULT. If this is
     497                 :            :  *     DEFAULT, BIG is assumed.
     498                 :            :  * @val_format_endian_default: Default endianness for formatted register
     499                 :            :  *     values. Used when the regmap_config specifies DEFAULT. If this is
     500                 :            :  *     DEFAULT, BIG is assumed.
     501                 :            :  * @max_raw_read: Max raw read size that can be used on the bus.
     502                 :            :  * @max_raw_write: Max raw write size that can be used on the bus.
     503                 :            :  */
     504                 :            : struct regmap_bus {
     505                 :            :         bool fast_io;
     506                 :            :         regmap_hw_write write;
     507                 :            :         regmap_hw_gather_write gather_write;
     508                 :            :         regmap_hw_async_write async_write;
     509                 :            :         regmap_hw_reg_write reg_write;
     510                 :            :         regmap_hw_reg_update_bits reg_update_bits;
     511                 :            :         regmap_hw_read read;
     512                 :            :         regmap_hw_reg_read reg_read;
     513                 :            :         regmap_hw_free_context free_context;
     514                 :            :         regmap_hw_async_alloc async_alloc;
     515                 :            :         u8 read_flag_mask;
     516                 :            :         enum regmap_endian reg_format_endian_default;
     517                 :            :         enum regmap_endian val_format_endian_default;
     518                 :            :         size_t max_raw_read;
     519                 :            :         size_t max_raw_write;
     520                 :            : };
     521                 :            : 
     522                 :            : /*
     523                 :            :  * __regmap_init functions.
     524                 :            :  *
     525                 :            :  * These functions take a lock key and name parameter, and should not be called
     526                 :            :  * directly. Instead, use the regmap_init macros that generate a key and name
     527                 :            :  * for each call.
     528                 :            :  */
     529                 :            : struct regmap *__regmap_init(struct device *dev,
     530                 :            :                              const struct regmap_bus *bus,
     531                 :            :                              void *bus_context,
     532                 :            :                              const struct regmap_config *config,
     533                 :            :                              struct lock_class_key *lock_key,
     534                 :            :                              const char *lock_name);
     535                 :            : struct regmap *__regmap_init_i2c(struct i2c_client *i2c,
     536                 :            :                                  const struct regmap_config *config,
     537                 :            :                                  struct lock_class_key *lock_key,
     538                 :            :                                  const char *lock_name);
     539                 :            : struct regmap *__regmap_init_sccb(struct i2c_client *i2c,
     540                 :            :                                   const struct regmap_config *config,
     541                 :            :                                   struct lock_class_key *lock_key,
     542                 :            :                                   const char *lock_name);
     543                 :            : struct regmap *__regmap_init_slimbus(struct slim_device *slimbus,
     544                 :            :                                  const struct regmap_config *config,
     545                 :            :                                  struct lock_class_key *lock_key,
     546                 :            :                                  const char *lock_name);
     547                 :            : struct regmap *__regmap_init_spi(struct spi_device *dev,
     548                 :            :                                  const struct regmap_config *config,
     549                 :            :                                  struct lock_class_key *lock_key,
     550                 :            :                                  const char *lock_name);
     551                 :            : struct regmap *__regmap_init_spmi_base(struct spmi_device *dev,
     552                 :            :                                        const struct regmap_config *config,
     553                 :            :                                        struct lock_class_key *lock_key,
     554                 :            :                                        const char *lock_name);
     555                 :            : struct regmap *__regmap_init_spmi_ext(struct spmi_device *dev,
     556                 :            :                                       const struct regmap_config *config,
     557                 :            :                                       struct lock_class_key *lock_key,
     558                 :            :                                       const char *lock_name);
     559                 :            : struct regmap *__regmap_init_w1(struct device *w1_dev,
     560                 :            :                                  const struct regmap_config *config,
     561                 :            :                                  struct lock_class_key *lock_key,
     562                 :            :                                  const char *lock_name);
     563                 :            : struct regmap *__regmap_init_mmio_clk(struct device *dev, const char *clk_id,
     564                 :            :                                       void __iomem *regs,
     565                 :            :                                       const struct regmap_config *config,
     566                 :            :                                       struct lock_class_key *lock_key,
     567                 :            :                                       const char *lock_name);
     568                 :            : struct regmap *__regmap_init_ac97(struct snd_ac97 *ac97,
     569                 :            :                                   const struct regmap_config *config,
     570                 :            :                                   struct lock_class_key *lock_key,
     571                 :            :                                   const char *lock_name);
     572                 :            : struct regmap *__regmap_init_sdw(struct sdw_slave *sdw,
     573                 :            :                                  const struct regmap_config *config,
     574                 :            :                                  struct lock_class_key *lock_key,
     575                 :            :                                  const char *lock_name);
     576                 :            : 
     577                 :            : struct regmap *__devm_regmap_init(struct device *dev,
     578                 :            :                                   const struct regmap_bus *bus,
     579                 :            :                                   void *bus_context,
     580                 :            :                                   const struct regmap_config *config,
     581                 :            :                                   struct lock_class_key *lock_key,
     582                 :            :                                   const char *lock_name);
     583                 :            : struct regmap *__devm_regmap_init_i2c(struct i2c_client *i2c,
     584                 :            :                                       const struct regmap_config *config,
     585                 :            :                                       struct lock_class_key *lock_key,
     586                 :            :                                       const char *lock_name);
     587                 :            : struct regmap *__devm_regmap_init_sccb(struct i2c_client *i2c,
     588                 :            :                                        const struct regmap_config *config,
     589                 :            :                                        struct lock_class_key *lock_key,
     590                 :            :                                        const char *lock_name);
     591                 :            : struct regmap *__devm_regmap_init_spi(struct spi_device *dev,
     592                 :            :                                       const struct regmap_config *config,
     593                 :            :                                       struct lock_class_key *lock_key,
     594                 :            :                                       const char *lock_name);
     595                 :            : struct regmap *__devm_regmap_init_spmi_base(struct spmi_device *dev,
     596                 :            :                                             const struct regmap_config *config,
     597                 :            :                                             struct lock_class_key *lock_key,
     598                 :            :                                             const char *lock_name);
     599                 :            : struct regmap *__devm_regmap_init_spmi_ext(struct spmi_device *dev,
     600                 :            :                                            const struct regmap_config *config,
     601                 :            :                                            struct lock_class_key *lock_key,
     602                 :            :                                            const char *lock_name);
     603                 :            : struct regmap *__devm_regmap_init_w1(struct device *w1_dev,
     604                 :            :                                       const struct regmap_config *config,
     605                 :            :                                       struct lock_class_key *lock_key,
     606                 :            :                                       const char *lock_name);
     607                 :            : struct regmap *__devm_regmap_init_mmio_clk(struct device *dev,
     608                 :            :                                            const char *clk_id,
     609                 :            :                                            void __iomem *regs,
     610                 :            :                                            const struct regmap_config *config,
     611                 :            :                                            struct lock_class_key *lock_key,
     612                 :            :                                            const char *lock_name);
     613                 :            : struct regmap *__devm_regmap_init_ac97(struct snd_ac97 *ac97,
     614                 :            :                                        const struct regmap_config *config,
     615                 :            :                                        struct lock_class_key *lock_key,
     616                 :            :                                        const char *lock_name);
     617                 :            : struct regmap *__devm_regmap_init_sdw(struct sdw_slave *sdw,
     618                 :            :                                  const struct regmap_config *config,
     619                 :            :                                  struct lock_class_key *lock_key,
     620                 :            :                                  const char *lock_name);
     621                 :            : struct regmap *__devm_regmap_init_slimbus(struct slim_device *slimbus,
     622                 :            :                                  const struct regmap_config *config,
     623                 :            :                                  struct lock_class_key *lock_key,
     624                 :            :                                  const char *lock_name);
     625                 :            : struct regmap *__devm_regmap_init_i3c(struct i3c_device *i3c,
     626                 :            :                                  const struct regmap_config *config,
     627                 :            :                                  struct lock_class_key *lock_key,
     628                 :            :                                  const char *lock_name);
     629                 :            : /*
     630                 :            :  * Wrapper for regmap_init macros to include a unique lockdep key and name
     631                 :            :  * for each call. No-op if CONFIG_LOCKDEP is not set.
     632                 :            :  *
     633                 :            :  * @fn: Real function to call (in the form __[*_]regmap_init[_*])
     634                 :            :  * @name: Config variable name (#config in the calling macro)
     635                 :            :  **/
     636                 :            : #ifdef CONFIG_LOCKDEP
     637                 :            : #define __regmap_lockdep_wrapper(fn, name, ...)                         \
     638                 :            : (                                                                       \
     639                 :            :         ({                                                              \
     640                 :            :                 static struct lock_class_key _key;                      \
     641                 :            :                 fn(__VA_ARGS__, &_key,                                      \
     642                 :            :                         KBUILD_BASENAME ":"                           \
     643                 :            :                         __stringify(__LINE__) ":"                     \
     644                 :            :                         "(" name ")->lock");                             \
     645                 :            :         })                                                              \
     646                 :            : )
     647                 :            : #else
     648                 :            : #define __regmap_lockdep_wrapper(fn, name, ...) fn(__VA_ARGS__, NULL, NULL)
     649                 :            : #endif
     650                 :            : 
     651                 :            : /**
     652                 :            :  * regmap_init() - Initialise register map
     653                 :            :  *
     654                 :            :  * @dev: Device that will be interacted with
     655                 :            :  * @bus: Bus-specific callbacks to use with device
     656                 :            :  * @bus_context: Data passed to bus-specific callbacks
     657                 :            :  * @config: Configuration for register map
     658                 :            :  *
     659                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer to
     660                 :            :  * a struct regmap.  This function should generally not be called
     661                 :            :  * directly, it should be called by bus-specific init functions.
     662                 :            :  */
     663                 :            : #define regmap_init(dev, bus, bus_context, config)                      \
     664                 :            :         __regmap_lockdep_wrapper(__regmap_init, #config,                \
     665                 :            :                                 dev, bus, bus_context, config)
     666                 :            : int regmap_attach_dev(struct device *dev, struct regmap *map,
     667                 :            :                       const struct regmap_config *config);
     668                 :            : 
     669                 :            : /**
     670                 :            :  * regmap_init_i2c() - Initialise register map
     671                 :            :  *
     672                 :            :  * @i2c: 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 to
     676                 :            :  * a struct regmap.
     677                 :            :  */
     678                 :            : #define regmap_init_i2c(i2c, config)                                    \
     679                 :            :         __regmap_lockdep_wrapper(__regmap_init_i2c, #config,            \
     680                 :            :                                 i2c, config)
     681                 :            : 
     682                 :            : /**
     683                 :            :  * regmap_init_sccb() - Initialise register map
     684                 :            :  *
     685                 :            :  * @i2c: 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 to
     689                 :            :  * a struct regmap.
     690                 :            :  */
     691                 :            : #define regmap_init_sccb(i2c, config)                                   \
     692                 :            :         __regmap_lockdep_wrapper(__regmap_init_sccb, #config,           \
     693                 :            :                                 i2c, config)
     694                 :            : 
     695                 :            : /**
     696                 :            :  * regmap_init_slimbus() - Initialise register map
     697                 :            :  *
     698                 :            :  * @slimbus: Device that will be interacted with
     699                 :            :  * @config: Configuration for register map
     700                 :            :  *
     701                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer to
     702                 :            :  * a struct regmap.
     703                 :            :  */
     704                 :            : #define regmap_init_slimbus(slimbus, config)                            \
     705                 :            :         __regmap_lockdep_wrapper(__regmap_init_slimbus, #config,        \
     706                 :            :                                 slimbus, config)
     707                 :            : 
     708                 :            : /**
     709                 :            :  * regmap_init_spi() - Initialise register map
     710                 :            :  *
     711                 :            :  * @dev: Device that will be interacted with
     712                 :            :  * @config: Configuration for register map
     713                 :            :  *
     714                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer to
     715                 :            :  * a struct regmap.
     716                 :            :  */
     717                 :            : #define regmap_init_spi(dev, config)                                    \
     718                 :            :         __regmap_lockdep_wrapper(__regmap_init_spi, #config,            \
     719                 :            :                                 dev, config)
     720                 :            : 
     721                 :            : /**
     722                 :            :  * regmap_init_spmi_base() - Create regmap for the Base register space
     723                 :            :  *
     724                 :            :  * @dev:        SPMI device that will be interacted with
     725                 :            :  * @config:     Configuration for register map
     726                 :            :  *
     727                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer to
     728                 :            :  * a struct regmap.
     729                 :            :  */
     730                 :            : #define regmap_init_spmi_base(dev, config)                              \
     731                 :            :         __regmap_lockdep_wrapper(__regmap_init_spmi_base, #config,      \
     732                 :            :                                 dev, config)
     733                 :            : 
     734                 :            : /**
     735                 :            :  * regmap_init_spmi_ext() - Create regmap for Ext register space
     736                 :            :  *
     737                 :            :  * @dev:        Device that will be interacted with
     738                 :            :  * @config:     Configuration for register map
     739                 :            :  *
     740                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer to
     741                 :            :  * a struct regmap.
     742                 :            :  */
     743                 :            : #define regmap_init_spmi_ext(dev, config)                               \
     744                 :            :         __regmap_lockdep_wrapper(__regmap_init_spmi_ext, #config,       \
     745                 :            :                                 dev, config)
     746                 :            : 
     747                 :            : /**
     748                 :            :  * regmap_init_w1() - Initialise register map
     749                 :            :  *
     750                 :            :  * @w1_dev: Device that will be interacted with
     751                 :            :  * @config: Configuration for register map
     752                 :            :  *
     753                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer to
     754                 :            :  * a struct regmap.
     755                 :            :  */
     756                 :            : #define regmap_init_w1(w1_dev, config)                                  \
     757                 :            :         __regmap_lockdep_wrapper(__regmap_init_w1, #config,             \
     758                 :            :                                 w1_dev, config)
     759                 :            : 
     760                 :            : /**
     761                 :            :  * regmap_init_mmio_clk() - Initialise register map with register clock
     762                 :            :  *
     763                 :            :  * @dev: Device that will be interacted with
     764                 :            :  * @clk_id: register clock consumer ID
     765                 :            :  * @regs: Pointer to memory-mapped IO region
     766                 :            :  * @config: Configuration for register map
     767                 :            :  *
     768                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer to
     769                 :            :  * a struct regmap.
     770                 :            :  */
     771                 :            : #define regmap_init_mmio_clk(dev, clk_id, regs, config)                 \
     772                 :            :         __regmap_lockdep_wrapper(__regmap_init_mmio_clk, #config,       \
     773                 :            :                                 dev, clk_id, regs, config)
     774                 :            : 
     775                 :            : /**
     776                 :            :  * regmap_init_mmio() - Initialise register map
     777                 :            :  *
     778                 :            :  * @dev: Device that will be interacted with
     779                 :            :  * @regs: Pointer to memory-mapped IO region
     780                 :            :  * @config: Configuration for register map
     781                 :            :  *
     782                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer to
     783                 :            :  * a struct regmap.
     784                 :            :  */
     785                 :            : #define regmap_init_mmio(dev, regs, config)             \
     786                 :            :         regmap_init_mmio_clk(dev, NULL, regs, config)
     787                 :            : 
     788                 :            : /**
     789                 :            :  * regmap_init_ac97() - Initialise AC'97 register map
     790                 :            :  *
     791                 :            :  * @ac97: Device that will be interacted with
     792                 :            :  * @config: Configuration for register map
     793                 :            :  *
     794                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer to
     795                 :            :  * a struct regmap.
     796                 :            :  */
     797                 :            : #define regmap_init_ac97(ac97, config)                                  \
     798                 :            :         __regmap_lockdep_wrapper(__regmap_init_ac97, #config,           \
     799                 :            :                                 ac97, config)
     800                 :            : bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg);
     801                 :            : 
     802                 :            : /**
     803                 :            :  * regmap_init_sdw() - Initialise register map
     804                 :            :  *
     805                 :            :  * @sdw: Device that will be interacted with
     806                 :            :  * @config: Configuration for register map
     807                 :            :  *
     808                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer to
     809                 :            :  * a struct regmap.
     810                 :            :  */
     811                 :            : #define regmap_init_sdw(sdw, config)                                    \
     812                 :            :         __regmap_lockdep_wrapper(__regmap_init_sdw, #config,            \
     813                 :            :                                 sdw, config)
     814                 :            : 
     815                 :            : 
     816                 :            : /**
     817                 :            :  * devm_regmap_init() - Initialise managed register map
     818                 :            :  *
     819                 :            :  * @dev: Device that will be interacted with
     820                 :            :  * @bus: Bus-specific callbacks to use with device
     821                 :            :  * @bus_context: Data passed to bus-specific callbacks
     822                 :            :  * @config: Configuration for register map
     823                 :            :  *
     824                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     825                 :            :  * to a struct regmap.  This function should generally not be called
     826                 :            :  * directly, it should be called by bus-specific init functions.  The
     827                 :            :  * map will be automatically freed by the device management code.
     828                 :            :  */
     829                 :            : #define devm_regmap_init(dev, bus, bus_context, config)                 \
     830                 :            :         __regmap_lockdep_wrapper(__devm_regmap_init, #config,           \
     831                 :            :                                 dev, bus, bus_context, config)
     832                 :            : 
     833                 :            : /**
     834                 :            :  * devm_regmap_init_i2c() - Initialise managed register map
     835                 :            :  *
     836                 :            :  * @i2c: Device that will be interacted with
     837                 :            :  * @config: Configuration for register map
     838                 :            :  *
     839                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     840                 :            :  * to a struct regmap.  The regmap will be automatically freed by the
     841                 :            :  * device management code.
     842                 :            :  */
     843                 :            : #define devm_regmap_init_i2c(i2c, config)                               \
     844                 :            :         __regmap_lockdep_wrapper(__devm_regmap_init_i2c, #config,       \
     845                 :            :                                 i2c, config)
     846                 :            : 
     847                 :            : /**
     848                 :            :  * devm_regmap_init_sccb() - Initialise managed register map
     849                 :            :  *
     850                 :            :  * @i2c: Device that will be interacted with
     851                 :            :  * @config: Configuration for register map
     852                 :            :  *
     853                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     854                 :            :  * to a struct regmap.  The regmap will be automatically freed by the
     855                 :            :  * device management code.
     856                 :            :  */
     857                 :            : #define devm_regmap_init_sccb(i2c, config)                              \
     858                 :            :         __regmap_lockdep_wrapper(__devm_regmap_init_sccb, #config,      \
     859                 :            :                                 i2c, config)
     860                 :            : 
     861                 :            : /**
     862                 :            :  * devm_regmap_init_spi() - Initialise register map
     863                 :            :  *
     864                 :            :  * @dev: Device that will be interacted with
     865                 :            :  * @config: Configuration for register map
     866                 :            :  *
     867                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     868                 :            :  * to a struct regmap.  The map will be automatically freed by the
     869                 :            :  * device management code.
     870                 :            :  */
     871                 :            : #define devm_regmap_init_spi(dev, config)                               \
     872                 :            :         __regmap_lockdep_wrapper(__devm_regmap_init_spi, #config,       \
     873                 :            :                                 dev, config)
     874                 :            : 
     875                 :            : /**
     876                 :            :  * devm_regmap_init_spmi_base() - Create managed regmap for Base register space
     877                 :            :  *
     878                 :            :  * @dev:        SPMI device that will be interacted with
     879                 :            :  * @config:     Configuration for register map
     880                 :            :  *
     881                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     882                 :            :  * to a struct regmap.  The regmap will be automatically freed by the
     883                 :            :  * device management code.
     884                 :            :  */
     885                 :            : #define devm_regmap_init_spmi_base(dev, config)                         \
     886                 :            :         __regmap_lockdep_wrapper(__devm_regmap_init_spmi_base, #config, \
     887                 :            :                                 dev, config)
     888                 :            : 
     889                 :            : /**
     890                 :            :  * devm_regmap_init_spmi_ext() - Create managed regmap for Ext register space
     891                 :            :  *
     892                 :            :  * @dev:        SPMI device that will be interacted with
     893                 :            :  * @config:     Configuration for register map
     894                 :            :  *
     895                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     896                 :            :  * to a struct regmap.  The regmap will be automatically freed by the
     897                 :            :  * device management code.
     898                 :            :  */
     899                 :            : #define devm_regmap_init_spmi_ext(dev, config)                          \
     900                 :            :         __regmap_lockdep_wrapper(__devm_regmap_init_spmi_ext, #config,  \
     901                 :            :                                 dev, config)
     902                 :            : 
     903                 :            : /**
     904                 :            :  * devm_regmap_init_w1() - Initialise managed register map
     905                 :            :  *
     906                 :            :  * @w1_dev: Device that will be interacted with
     907                 :            :  * @config: Configuration for register map
     908                 :            :  *
     909                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     910                 :            :  * to a struct regmap.  The regmap will be automatically freed by the
     911                 :            :  * device management code.
     912                 :            :  */
     913                 :            : #define devm_regmap_init_w1(w1_dev, config)                             \
     914                 :            :         __regmap_lockdep_wrapper(__devm_regmap_init_w1, #config,        \
     915                 :            :                                 w1_dev, config)
     916                 :            : /**
     917                 :            :  * devm_regmap_init_mmio_clk() - Initialise managed register map with clock
     918                 :            :  *
     919                 :            :  * @dev: Device that will be interacted with
     920                 :            :  * @clk_id: register clock consumer ID
     921                 :            :  * @regs: Pointer to memory-mapped IO region
     922                 :            :  * @config: Configuration for register map
     923                 :            :  *
     924                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     925                 :            :  * to a struct regmap.  The regmap will be automatically freed by the
     926                 :            :  * device management code.
     927                 :            :  */
     928                 :            : #define devm_regmap_init_mmio_clk(dev, clk_id, regs, config)            \
     929                 :            :         __regmap_lockdep_wrapper(__devm_regmap_init_mmio_clk, #config,  \
     930                 :            :                                 dev, clk_id, regs, config)
     931                 :            : 
     932                 :            : /**
     933                 :            :  * devm_regmap_init_mmio() - Initialise managed register map
     934                 :            :  *
     935                 :            :  * @dev: Device that will be interacted with
     936                 :            :  * @regs: Pointer to memory-mapped IO region
     937                 :            :  * @config: Configuration for register map
     938                 :            :  *
     939                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     940                 :            :  * to a struct regmap.  The regmap will be automatically freed by the
     941                 :            :  * device management code.
     942                 :            :  */
     943                 :            : #define devm_regmap_init_mmio(dev, regs, config)                \
     944                 :            :         devm_regmap_init_mmio_clk(dev, NULL, regs, config)
     945                 :            : 
     946                 :            : /**
     947                 :            :  * devm_regmap_init_ac97() - Initialise AC'97 register map
     948                 :            :  *
     949                 :            :  * @ac97: Device that will be interacted with
     950                 :            :  * @config: Configuration for register map
     951                 :            :  *
     952                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     953                 :            :  * to a struct regmap.  The regmap will be automatically freed by the
     954                 :            :  * device management code.
     955                 :            :  */
     956                 :            : #define devm_regmap_init_ac97(ac97, config)                             \
     957                 :            :         __regmap_lockdep_wrapper(__devm_regmap_init_ac97, #config,      \
     958                 :            :                                 ac97, config)
     959                 :            : 
     960                 :            : /**
     961                 :            :  * devm_regmap_init_sdw() - Initialise managed register map
     962                 :            :  *
     963                 :            :  * @sdw: Device that will be interacted with
     964                 :            :  * @config: Configuration for register map
     965                 :            :  *
     966                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     967                 :            :  * to a struct regmap. The regmap will be automatically freed by the
     968                 :            :  * device management code.
     969                 :            :  */
     970                 :            : #define devm_regmap_init_sdw(sdw, config)                               \
     971                 :            :         __regmap_lockdep_wrapper(__devm_regmap_init_sdw, #config,       \
     972                 :            :                                 sdw, config)
     973                 :            : 
     974                 :            : /**
     975                 :            :  * devm_regmap_init_slimbus() - Initialise managed register map
     976                 :            :  *
     977                 :            :  * @slimbus: Device that will be interacted with
     978                 :            :  * @config: Configuration for register map
     979                 :            :  *
     980                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     981                 :            :  * to a struct regmap. The regmap will be automatically freed by the
     982                 :            :  * device management code.
     983                 :            :  */
     984                 :            : #define devm_regmap_init_slimbus(slimbus, config)                       \
     985                 :            :         __regmap_lockdep_wrapper(__devm_regmap_init_slimbus, #config,   \
     986                 :            :                                 slimbus, config)
     987                 :            : 
     988                 :            : /**
     989                 :            :  * devm_regmap_init_i3c() - Initialise managed register map
     990                 :            :  *
     991                 :            :  * @i3c: Device that will be interacted with
     992                 :            :  * @config: Configuration for register map
     993                 :            :  *
     994                 :            :  * The return value will be an ERR_PTR() on error or a valid pointer
     995                 :            :  * to a struct regmap.  The regmap will be automatically freed by the
     996                 :            :  * device management code.
     997                 :            :  */
     998                 :            : #define devm_regmap_init_i3c(i3c, config)                               \
     999                 :            :         __regmap_lockdep_wrapper(__devm_regmap_init_i3c, #config,       \
    1000                 :            :                                 i3c, config)
    1001                 :            : 
    1002                 :            : int regmap_mmio_attach_clk(struct regmap *map, struct clk *clk);
    1003                 :            : void regmap_mmio_detach_clk(struct regmap *map);
    1004                 :            : void regmap_exit(struct regmap *map);
    1005                 :            : int regmap_reinit_cache(struct regmap *map,
    1006                 :            :                         const struct regmap_config *config);
    1007                 :            : struct regmap *dev_get_regmap(struct device *dev, const char *name);
    1008                 :            : struct device *regmap_get_device(struct regmap *map);
    1009                 :            : int regmap_write(struct regmap *map, unsigned int reg, unsigned int val);
    1010                 :            : int regmap_write_async(struct regmap *map, unsigned int reg, unsigned int val);
    1011                 :            : int regmap_raw_write(struct regmap *map, unsigned int reg,
    1012                 :            :                      const void *val, size_t val_len);
    1013                 :            : int regmap_noinc_write(struct regmap *map, unsigned int reg,
    1014                 :            :                      const void *val, size_t val_len);
    1015                 :            : int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
    1016                 :            :                         size_t val_count);
    1017                 :            : int regmap_multi_reg_write(struct regmap *map, const struct reg_sequence *regs,
    1018                 :            :                         int num_regs);
    1019                 :            : int regmap_multi_reg_write_bypassed(struct regmap *map,
    1020                 :            :                                     const struct reg_sequence *regs,
    1021                 :            :                                     int num_regs);
    1022                 :            : int regmap_raw_write_async(struct regmap *map, unsigned int reg,
    1023                 :            :                            const void *val, size_t val_len);
    1024                 :            : int regmap_read(struct regmap *map, unsigned int reg, unsigned int *val);
    1025                 :            : int regmap_raw_read(struct regmap *map, unsigned int reg,
    1026                 :            :                     void *val, size_t val_len);
    1027                 :            : int regmap_noinc_read(struct regmap *map, unsigned int reg,
    1028                 :            :                       void *val, size_t val_len);
    1029                 :            : int regmap_bulk_read(struct regmap *map, unsigned int reg, void *val,
    1030                 :            :                      size_t val_count);
    1031                 :            : int regmap_update_bits_base(struct regmap *map, unsigned int reg,
    1032                 :            :                             unsigned int mask, unsigned int val,
    1033                 :            :                             bool *change, bool async, bool force);
    1034                 :            : int regmap_get_val_bytes(struct regmap *map);
    1035                 :            : int regmap_get_max_register(struct regmap *map);
    1036                 :            : int regmap_get_reg_stride(struct regmap *map);
    1037                 :            : int regmap_async_complete(struct regmap *map);
    1038                 :            : bool regmap_can_raw_write(struct regmap *map);
    1039                 :            : size_t regmap_get_raw_read_max(struct regmap *map);
    1040                 :            : size_t regmap_get_raw_write_max(struct regmap *map);
    1041                 :            : 
    1042                 :            : int regcache_sync(struct regmap *map);
    1043                 :            : int regcache_sync_region(struct regmap *map, unsigned int min,
    1044                 :            :                          unsigned int max);
    1045                 :            : int regcache_drop_region(struct regmap *map, unsigned int min,
    1046                 :            :                          unsigned int max);
    1047                 :            : void regcache_cache_only(struct regmap *map, bool enable);
    1048                 :            : void regcache_cache_bypass(struct regmap *map, bool enable);
    1049                 :            : void regcache_mark_dirty(struct regmap *map);
    1050                 :            : 
    1051                 :            : bool regmap_check_range_table(struct regmap *map, unsigned int reg,
    1052                 :            :                               const struct regmap_access_table *table);
    1053                 :            : 
    1054                 :            : int regmap_register_patch(struct regmap *map, const struct reg_sequence *regs,
    1055                 :            :                           int num_regs);
    1056                 :            : int regmap_parse_val(struct regmap *map, const void *buf,
    1057                 :            :                                 unsigned int *val);
    1058                 :            : 
    1059                 :            : static inline bool regmap_reg_in_range(unsigned int reg,
    1060                 :            :                                        const struct regmap_range *range)
    1061                 :            : {
    1062                 :          0 :         return reg >= range->range_min && reg <= range->range_max;
    1063                 :            : }
    1064                 :            : 
    1065                 :            : bool regmap_reg_in_ranges(unsigned int reg,
    1066                 :            :                           const struct regmap_range *ranges,
    1067                 :            :                           unsigned int nranges);
    1068                 :            : 
    1069                 :            : /**
    1070                 :            :  * struct reg_field - Description of an register field
    1071                 :            :  *
    1072                 :            :  * @reg: Offset of the register within the regmap bank
    1073                 :            :  * @lsb: lsb of the register field.
    1074                 :            :  * @msb: msb of the register field.
    1075                 :            :  * @id_size: port size if it has some ports
    1076                 :            :  * @id_offset: address offset for each ports
    1077                 :            :  */
    1078                 :            : struct reg_field {
    1079                 :            :         unsigned int reg;
    1080                 :            :         unsigned int lsb;
    1081                 :            :         unsigned int msb;
    1082                 :            :         unsigned int id_size;
    1083                 :            :         unsigned int id_offset;
    1084                 :            : };
    1085                 :            : 
    1086                 :            : #define REG_FIELD(_reg, _lsb, _msb) {           \
    1087                 :            :                                 .reg = _reg,    \
    1088                 :            :                                 .lsb = _lsb,    \
    1089                 :            :                                 .msb = _msb,    \
    1090                 :            :                                 }
    1091                 :            : 
    1092                 :            : struct regmap_field *regmap_field_alloc(struct regmap *regmap,
    1093                 :            :                 struct reg_field reg_field);
    1094                 :            : void regmap_field_free(struct regmap_field *field);
    1095                 :            : 
    1096                 :            : struct regmap_field *devm_regmap_field_alloc(struct device *dev,
    1097                 :            :                 struct regmap *regmap, struct reg_field reg_field);
    1098                 :            : void devm_regmap_field_free(struct device *dev, struct regmap_field *field);
    1099                 :            : 
    1100                 :            : int regmap_field_read(struct regmap_field *field, unsigned int *val);
    1101                 :            : int regmap_field_update_bits_base(struct regmap_field *field,
    1102                 :            :                                   unsigned int mask, unsigned int val,
    1103                 :            :                                   bool *change, bool async, bool force);
    1104                 :            : int regmap_fields_read(struct regmap_field *field, unsigned int id,
    1105                 :            :                        unsigned int *val);
    1106                 :            : int regmap_fields_update_bits_base(struct regmap_field *field,  unsigned int id,
    1107                 :            :                                    unsigned int mask, unsigned int val,
    1108                 :            :                                    bool *change, bool async, bool force);
    1109                 :            : /**
    1110                 :            :  * struct regmap_irq_type - IRQ type definitions.
    1111                 :            :  *
    1112                 :            :  * @type_reg_offset: Offset register for the irq type setting.
    1113                 :            :  * @type_rising_val: Register value to configure RISING type irq.
    1114                 :            :  * @type_falling_val: Register value to configure FALLING type irq.
    1115                 :            :  * @type_level_low_val: Register value to configure LEVEL_LOW type irq.
    1116                 :            :  * @type_level_high_val: Register value to configure LEVEL_HIGH type irq.
    1117                 :            :  * @types_supported: logical OR of IRQ_TYPE_* flags indicating supported types.
    1118                 :            :  */
    1119                 :            : struct regmap_irq_type {
    1120                 :            :         unsigned int type_reg_offset;
    1121                 :            :         unsigned int type_reg_mask;
    1122                 :            :         unsigned int type_rising_val;
    1123                 :            :         unsigned int type_falling_val;
    1124                 :            :         unsigned int type_level_low_val;
    1125                 :            :         unsigned int type_level_high_val;
    1126                 :            :         unsigned int types_supported;
    1127                 :            : };
    1128                 :            : 
    1129                 :            : /**
    1130                 :            :  * struct regmap_irq - Description of an IRQ for the generic regmap irq_chip.
    1131                 :            :  *
    1132                 :            :  * @reg_offset: Offset of the status/mask register within the bank
    1133                 :            :  * @mask:       Mask used to flag/control the register.
    1134                 :            :  * @type:       IRQ trigger type setting details if supported.
    1135                 :            :  */
    1136                 :            : struct regmap_irq {
    1137                 :            :         unsigned int reg_offset;
    1138                 :            :         unsigned int mask;
    1139                 :            :         struct regmap_irq_type type;
    1140                 :            : };
    1141                 :            : 
    1142                 :            : #define REGMAP_IRQ_REG(_irq, _off, _mask)               \
    1143                 :            :         [_irq] = { .reg_offset = (_off), .mask = (_mask) }
    1144                 :            : 
    1145                 :            : #define REGMAP_IRQ_REG_LINE(_id, _reg_bits) \
    1146                 :            :         [_id] = {                               \
    1147                 :            :                 .mask = BIT((_id) % (_reg_bits)),       \
    1148                 :            :                 .reg_offset = (_id) / (_reg_bits),      \
    1149                 :            :         }
    1150                 :            : 
    1151                 :            : #define REGMAP_IRQ_MAIN_REG_OFFSET(arr)                         \
    1152                 :            :         { .num_regs = ARRAY_SIZE((arr)), .offset = &(arr)[0] }
    1153                 :            : 
    1154                 :            : struct regmap_irq_sub_irq_map {
    1155                 :            :         unsigned int num_regs;
    1156                 :            :         unsigned int *offset;
    1157                 :            : };
    1158                 :            : 
    1159                 :            : /**
    1160                 :            :  * struct regmap_irq_chip - Description of a generic regmap irq_chip.
    1161                 :            :  *
    1162                 :            :  * @name:        Descriptive name for IRQ controller.
    1163                 :            :  *
    1164                 :            :  * @main_status: Base main status register address. For chips which have
    1165                 :            :  *               interrupts arranged in separate sub-irq blocks with own IRQ
    1166                 :            :  *               registers and which have a main IRQ registers indicating
    1167                 :            :  *               sub-irq blocks with unhandled interrupts. For such chips fill
    1168                 :            :  *               sub-irq register information in status_base, mask_base and
    1169                 :            :  *               ack_base.
    1170                 :            :  * @num_main_status_bits: Should be given to chips where number of meaningfull
    1171                 :            :  *                        main status bits differs from num_regs.
    1172                 :            :  * @sub_reg_offsets: arrays of mappings from main register bits to sub irq
    1173                 :            :  *                   registers. First item in array describes the registers
    1174                 :            :  *                   for first main status bit. Second array for second bit etc.
    1175                 :            :  *                   Offset is given as sub register status offset to
    1176                 :            :  *                   status_base. Should contain num_regs arrays.
    1177                 :            :  *                   Can be provided for chips with more complex mapping than
    1178                 :            :  *                   1.st bit to 1.st sub-reg, 2.nd bit to 2.nd sub-reg, ...
    1179                 :            :  * @num_main_regs: Number of 'main status' irq registers for chips which have
    1180                 :            :  *                 main_status set.
    1181                 :            :  *
    1182                 :            :  * @status_base: Base status register address.
    1183                 :            :  * @mask_base:   Base mask register address.
    1184                 :            :  * @mask_writeonly: Base mask register is write only.
    1185                 :            :  * @unmask_base:  Base unmask register address. for chips who have
    1186                 :            :  *                separate mask and unmask registers
    1187                 :            :  * @ack_base:    Base ack address. If zero then the chip is clear on read.
    1188                 :            :  *               Using zero value is possible with @use_ack bit.
    1189                 :            :  * @wake_base:   Base address for wake enables.  If zero unsupported.
    1190                 :            :  * @type_base:   Base address for irq type.  If zero unsupported.
    1191                 :            :  * @irq_reg_stride:  Stride to use for chips where registers are not contiguous.
    1192                 :            :  * @init_ack_masked: Ack all masked interrupts once during initalization.
    1193                 :            :  * @mask_invert: Inverted mask register: cleared bits are masked out.
    1194                 :            :  * @use_ack:     Use @ack register even if it is zero.
    1195                 :            :  * @ack_invert:  Inverted ack register: cleared bits for ack.
    1196                 :            :  * @wake_invert: Inverted wake register: cleared bits are wake enabled.
    1197                 :            :  * @type_invert: Invert the type flags.
    1198                 :            :  * @type_in_mask: Use the mask registers for controlling irq type. For
    1199                 :            :  *                interrupts defining type_rising/falling_mask use mask_base
    1200                 :            :  *                for edge configuration and never update bits in type_base.
    1201                 :            :  * @clear_on_unmask: For chips with interrupts cleared on read: read the status
    1202                 :            :  *                   registers before unmasking interrupts to clear any bits
    1203                 :            :  *                   set when they were masked.
    1204                 :            :  * @runtime_pm:  Hold a runtime PM lock on the device when accessing it.
    1205                 :            :  *
    1206                 :            :  * @num_regs:    Number of registers in each control bank.
    1207                 :            :  * @irqs:        Descriptors for individual IRQs.  Interrupt numbers are
    1208                 :            :  *               assigned based on the index in the array of the interrupt.
    1209                 :            :  * @num_irqs:    Number of descriptors.
    1210                 :            :  * @num_type_reg:    Number of type registers.
    1211                 :            :  * @type_reg_stride: Stride to use for chips where type registers are not
    1212                 :            :  *                      contiguous.
    1213                 :            :  * @handle_pre_irq:  Driver specific callback to handle interrupt from device
    1214                 :            :  *                   before regmap_irq_handler process the interrupts.
    1215                 :            :  * @handle_post_irq: Driver specific callback to handle interrupt from device
    1216                 :            :  *                   after handling the interrupts in regmap_irq_handler().
    1217                 :            :  * @irq_drv_data:    Driver specific IRQ data which is passed as parameter when
    1218                 :            :  *                   driver specific pre/post interrupt handler is called.
    1219                 :            :  *
    1220                 :            :  * This is not intended to handle every possible interrupt controller, but
    1221                 :            :  * it should handle a substantial proportion of those that are found in the
    1222                 :            :  * wild.
    1223                 :            :  */
    1224                 :            : struct regmap_irq_chip {
    1225                 :            :         const char *name;
    1226                 :            : 
    1227                 :            :         unsigned int main_status;
    1228                 :            :         unsigned int num_main_status_bits;
    1229                 :            :         struct regmap_irq_sub_irq_map *sub_reg_offsets;
    1230                 :            :         int num_main_regs;
    1231                 :            : 
    1232                 :            :         unsigned int status_base;
    1233                 :            :         unsigned int mask_base;
    1234                 :            :         unsigned int unmask_base;
    1235                 :            :         unsigned int ack_base;
    1236                 :            :         unsigned int wake_base;
    1237                 :            :         unsigned int type_base;
    1238                 :            :         unsigned int irq_reg_stride;
    1239                 :            :         bool mask_writeonly:1;
    1240                 :            :         bool init_ack_masked:1;
    1241                 :            :         bool mask_invert:1;
    1242                 :            :         bool use_ack:1;
    1243                 :            :         bool ack_invert:1;
    1244                 :            :         bool wake_invert:1;
    1245                 :            :         bool runtime_pm:1;
    1246                 :            :         bool type_invert:1;
    1247                 :            :         bool type_in_mask:1;
    1248                 :            :         bool clear_on_unmask:1;
    1249                 :            : 
    1250                 :            :         int num_regs;
    1251                 :            : 
    1252                 :            :         const struct regmap_irq *irqs;
    1253                 :            :         int num_irqs;
    1254                 :            : 
    1255                 :            :         int num_type_reg;
    1256                 :            :         unsigned int type_reg_stride;
    1257                 :            : 
    1258                 :            :         int (*handle_pre_irq)(void *irq_drv_data);
    1259                 :            :         int (*handle_post_irq)(void *irq_drv_data);
    1260                 :            :         void *irq_drv_data;
    1261                 :            : };
    1262                 :            : 
    1263                 :            : struct regmap_irq_chip_data;
    1264                 :            : 
    1265                 :            : int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
    1266                 :            :                         int irq_base, const struct regmap_irq_chip *chip,
    1267                 :            :                         struct regmap_irq_chip_data **data);
    1268                 :            : void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *data);
    1269                 :            : 
    1270                 :            : int devm_regmap_add_irq_chip(struct device *dev, struct regmap *map, int irq,
    1271                 :            :                              int irq_flags, int irq_base,
    1272                 :            :                              const struct regmap_irq_chip *chip,
    1273                 :            :                              struct regmap_irq_chip_data **data);
    1274                 :            : void devm_regmap_del_irq_chip(struct device *dev, int irq,
    1275                 :            :                               struct regmap_irq_chip_data *data);
    1276                 :            : 
    1277                 :            : int regmap_irq_chip_get_base(struct regmap_irq_chip_data *data);
    1278                 :            : int regmap_irq_get_virq(struct regmap_irq_chip_data *data, int irq);
    1279                 :            : struct irq_domain *regmap_irq_get_domain(struct regmap_irq_chip_data *data);
    1280                 :            : 
    1281                 :            : #else
    1282                 :            : 
    1283                 :            : /*
    1284                 :            :  * These stubs should only ever be called by generic code which has
    1285                 :            :  * regmap based facilities, if they ever get called at runtime
    1286                 :            :  * something is going wrong and something probably needs to select
    1287                 :            :  * REGMAP.
    1288                 :            :  */
    1289                 :            : 
    1290                 :            : static inline int regmap_write(struct regmap *map, unsigned int reg,
    1291                 :            :                                unsigned int val)
    1292                 :            : {
    1293                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1294                 :            :         return -EINVAL;
    1295                 :            : }
    1296                 :            : 
    1297                 :            : static inline int regmap_write_async(struct regmap *map, unsigned int reg,
    1298                 :            :                                      unsigned int val)
    1299                 :            : {
    1300                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1301                 :            :         return -EINVAL;
    1302                 :            : }
    1303                 :            : 
    1304                 :            : static inline int regmap_raw_write(struct regmap *map, unsigned int reg,
    1305                 :            :                                    const void *val, size_t val_len)
    1306                 :            : {
    1307                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1308                 :            :         return -EINVAL;
    1309                 :            : }
    1310                 :            : 
    1311                 :            : static inline int regmap_raw_write_async(struct regmap *map, unsigned int reg,
    1312                 :            :                                          const void *val, size_t val_len)
    1313                 :            : {
    1314                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1315                 :            :         return -EINVAL;
    1316                 :            : }
    1317                 :            : 
    1318                 :            : static inline int regmap_noinc_write(struct regmap *map, unsigned int reg,
    1319                 :            :                                     const void *val, size_t val_len)
    1320                 :            : {
    1321                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1322                 :            :         return -EINVAL;
    1323                 :            : }
    1324                 :            : 
    1325                 :            : static inline int regmap_bulk_write(struct regmap *map, unsigned int reg,
    1326                 :            :                                     const void *val, size_t val_count)
    1327                 :            : {
    1328                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1329                 :            :         return -EINVAL;
    1330                 :            : }
    1331                 :            : 
    1332                 :            : static inline int regmap_read(struct regmap *map, unsigned int reg,
    1333                 :            :                               unsigned int *val)
    1334                 :            : {
    1335                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1336                 :            :         return -EINVAL;
    1337                 :            : }
    1338                 :            : 
    1339                 :            : static inline int regmap_raw_read(struct regmap *map, unsigned int reg,
    1340                 :            :                                   void *val, size_t val_len)
    1341                 :            : {
    1342                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1343                 :            :         return -EINVAL;
    1344                 :            : }
    1345                 :            : 
    1346                 :            : static inline int regmap_noinc_read(struct regmap *map, unsigned int reg,
    1347                 :            :                                     void *val, size_t val_len)
    1348                 :            : {
    1349                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1350                 :            :         return -EINVAL;
    1351                 :            : }
    1352                 :            : 
    1353                 :            : static inline int regmap_bulk_read(struct regmap *map, unsigned int reg,
    1354                 :            :                                    void *val, size_t val_count)
    1355                 :            : {
    1356                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1357                 :            :         return -EINVAL;
    1358                 :            : }
    1359                 :            : 
    1360                 :            : static inline int regmap_update_bits_base(struct regmap *map, unsigned int reg,
    1361                 :            :                                           unsigned int mask, unsigned int val,
    1362                 :            :                                           bool *change, bool async, bool force)
    1363                 :            : {
    1364                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1365                 :            :         return -EINVAL;
    1366                 :            : }
    1367                 :            : 
    1368                 :            : static inline int regmap_field_update_bits_base(struct regmap_field *field,
    1369                 :            :                                         unsigned int mask, unsigned int val,
    1370                 :            :                                         bool *change, bool async, bool force)
    1371                 :            : {
    1372                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1373                 :            :         return -EINVAL;
    1374                 :            : }
    1375                 :            : 
    1376                 :            : static inline int regmap_fields_update_bits_base(struct regmap_field *field,
    1377                 :            :                                    unsigned int id,
    1378                 :            :                                    unsigned int mask, unsigned int val,
    1379                 :            :                                    bool *change, bool async, bool force)
    1380                 :            : {
    1381                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1382                 :            :         return -EINVAL;
    1383                 :            : }
    1384                 :            : 
    1385                 :            : static inline int regmap_get_val_bytes(struct regmap *map)
    1386                 :            : {
    1387                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1388                 :            :         return -EINVAL;
    1389                 :            : }
    1390                 :            : 
    1391                 :            : static inline int regmap_get_max_register(struct regmap *map)
    1392                 :            : {
    1393                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1394                 :            :         return -EINVAL;
    1395                 :            : }
    1396                 :            : 
    1397                 :            : static inline int regmap_get_reg_stride(struct regmap *map)
    1398                 :            : {
    1399                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1400                 :            :         return -EINVAL;
    1401                 :            : }
    1402                 :            : 
    1403                 :            : static inline int regcache_sync(struct regmap *map)
    1404                 :            : {
    1405                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1406                 :            :         return -EINVAL;
    1407                 :            : }
    1408                 :            : 
    1409                 :            : static inline int regcache_sync_region(struct regmap *map, unsigned int min,
    1410                 :            :                                        unsigned int max)
    1411                 :            : {
    1412                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1413                 :            :         return -EINVAL;
    1414                 :            : }
    1415                 :            : 
    1416                 :            : static inline int regcache_drop_region(struct regmap *map, unsigned int min,
    1417                 :            :                                        unsigned int max)
    1418                 :            : {
    1419                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1420                 :            :         return -EINVAL;
    1421                 :            : }
    1422                 :            : 
    1423                 :            : static inline void regcache_cache_only(struct regmap *map, bool enable)
    1424                 :            : {
    1425                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1426                 :            : }
    1427                 :            : 
    1428                 :            : static inline void regcache_cache_bypass(struct regmap *map, bool enable)
    1429                 :            : {
    1430                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1431                 :            : }
    1432                 :            : 
    1433                 :            : static inline void regcache_mark_dirty(struct regmap *map)
    1434                 :            : {
    1435                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1436                 :            : }
    1437                 :            : 
    1438                 :            : static inline void regmap_async_complete(struct regmap *map)
    1439                 :            : {
    1440                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1441                 :            : }
    1442                 :            : 
    1443                 :            : static inline int regmap_register_patch(struct regmap *map,
    1444                 :            :                                         const struct reg_sequence *regs,
    1445                 :            :                                         int num_regs)
    1446                 :            : {
    1447                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1448                 :            :         return -EINVAL;
    1449                 :            : }
    1450                 :            : 
    1451                 :            : static inline int regmap_parse_val(struct regmap *map, const void *buf,
    1452                 :            :                                 unsigned int *val)
    1453                 :            : {
    1454                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1455                 :            :         return -EINVAL;
    1456                 :            : }
    1457                 :            : 
    1458                 :            : static inline struct regmap *dev_get_regmap(struct device *dev,
    1459                 :            :                                             const char *name)
    1460                 :            : {
    1461                 :            :         return NULL;
    1462                 :            : }
    1463                 :            : 
    1464                 :            : static inline struct device *regmap_get_device(struct regmap *map)
    1465                 :            : {
    1466                 :            :         WARN_ONCE(1, "regmap API is disabled");
    1467                 :            :         return NULL;
    1468                 :            : }
    1469                 :            : 
    1470                 :            : #endif
    1471                 :            : 
    1472                 :            : #endif
    

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