1 /* SPDX-License-Identifier: GPL-2.0-only */
54 #define REGMAP_UPSHIFT(s)	(-(s))
66  * struct reg_default - Default value for a register.
80  * struct reg_sequence - An individual write from a sequence of writes.
103  * regmap_read_poll_timeout - Poll until a condition is met or a timeout occurs
110  *            tight-loops).  Should be less than ~20ms since usleep_range
111  *            is used (see Documentation/timers/timers-howto.rst).
114  * Returns 0 on success and -ETIMEDOUT upon a timeout or the regmap_read
130  * regmap_read_poll_timeout_atomic - Poll until a condition is met or a timeout occurs
136  * @delay_us: Time to udelay between reads in us (0 tight-loops).
138  *            (see Documentation/timers/timers-howto.rst).
141  * Returns 0 on success and -ETIMEDOUT upon a timeout or the regmap_read
171 	__ret ?: ((cond) ? 0 : -ETIMEDOUT); \
175  * regmap_field_read_poll_timeout - Poll until a condition is met or timeout
181  *            tight-loops).  Should be less than ~20ms since usleep_range
182  *            is used (see Documentation/timers/timers-howto.rst).
185  * Returns 0 on success and -ETIMEDOUT upon a timeout or the regmap_field_read
203 	/* Unspecified -> 0 -> Backwards compatible default */
211  * struct regmap_range - A register range, used for access related checks
225  * struct regmap_access_table - A table of register ranges for access checks
234  * will return false. If a register belongs to a yes range, the corresponding
248  * struct regmap_config - Configuration for the register map of a device.
331  *		   Use it only for "no-bus" cases.
380  * @num_ranges: Number of range configuration entries.
461  * struct regmap_range_cfg - Configuration for indirectly accessed or paged
466  * @range_min: Address of the lowest register address in virtual range.
467  * @range_max: Address of the highest register in virtual range.
476  * Registers, mapped to this virtual range, are accessed in two steps:
483 	/* Registers of virtual address range */
525  * struct regmap_bus - Description of a hardware bus for the register map
534  * @gather_write: Write operation with split register/value, return -ENOTSUPP
537  *               must serialise with respect to non-async I/O.
725  * for each call. No-op if CONFIG_LOCKDEP is not set.
738 			"(" name ")->lock");				\
746  * regmap_init() - Initialise register map
749  * @bus: Bus-specific callbacks to use with device
750  * @bus_context: Data passed to bus-specific callbacks
755  * directly, it should be called by bus-specific init functions.
764  * regmap_init_i2c() - Initialise register map
777  * regmap_init_mdio() - Initialise register map
790  * regmap_init_sccb() - Initialise register map
803  * regmap_init_slimbus() - Initialise register map
816  * regmap_init_spi() - Initialise register map
829  * regmap_init_spmi_base() - Create regmap for the Base register space
842  * regmap_init_spmi_ext() - Create regmap for Ext register space
855  * regmap_init_w1() - Initialise register map
868  * regmap_init_mmio_clk() - Initialise register map with register clock
872  * @regs: Pointer to memory-mapped IO region
883  * regmap_init_mmio() - Initialise register map
886  * @regs: Pointer to memory-mapped IO region
896  * regmap_init_ac97() - Initialise AC'97 register map
910  * regmap_init_sdw() - Initialise register map
923  * regmap_init_sdw_mbq() - Initialise register map
936  * regmap_init_spi_avmm() - Initialize register map for Intel SPI Slave
950  * regmap_init_fsi() - Initialise register map
963  * devm_regmap_init() - Initialise managed register map
966  * @bus: Bus-specific callbacks to use with device
967  * @bus_context: Data passed to bus-specific callbacks
972  * directly, it should be called by bus-specific init functions.  The
980  * devm_regmap_init_i2c() - Initialise managed register map
994  * devm_regmap_init_mdio() - Initialise managed register map
1008  * devm_regmap_init_sccb() - Initialise managed register map
1022  * devm_regmap_init_spi() - Initialise register map
1036  * devm_regmap_init_spmi_base() - Create managed regmap for Base register space
1050  * devm_regmap_init_spmi_ext() - Create managed regmap for Ext register space
1064  * devm_regmap_init_w1() - Initialise managed register map
1077  * devm_regmap_init_mmio_clk() - Initialise managed register map with clock
1081  * @regs: Pointer to memory-mapped IO region
1093  * devm_regmap_init_mmio() - Initialise managed register map
1096  * @regs: Pointer to memory-mapped IO region
1107  * devm_regmap_init_ac97() - Initialise AC'97 register map
1121  * devm_regmap_init_sdw() - Initialise managed register map
1135  * devm_regmap_init_sdw_mbq() - Initialise managed register map
1149  * devm_regmap_init_slimbus() - Initialise managed register map
1163  * devm_regmap_init_i3c() - Initialise managed register map
1177  * devm_regmap_init_spi_avmm() - Initialize register map for Intel SPI Slave
1192  * devm_regmap_init_fsi() - Initialise managed register map
1301 				       const struct regmap_range *range)  in regmap_reg_in_range()  argument
1303 	return reg >= range->range_min && reg <= range->range_max;  in regmap_reg_in_range()
1326  * struct reg_field - Description of an register field
1461  * struct regmap_irq_type - IRQ type definitions.
1463  * @type_reg_offset: Offset register for the irq type setting.
1464  * @type_rising_val: Register value to configure RISING type irq.
1465  * @type_falling_val: Register value to configure FALLING type irq.
1466  * @type_level_low_val: Register value to configure LEVEL_LOW type irq.
1467  * @type_level_high_val: Register value to configure LEVEL_HIGH type irq.
1481  * struct regmap_irq - Description of an IRQ for the generic regmap irq_chip.
1485  * @type:	IRQ trigger type setting details if supported.
1513  * struct regmap_irq_chip - Description of a generic regmap irq_chip.
1515  * @name:        Descriptive name for IRQ controller.
1518  *		 interrupts arranged in separate sub-irq blocks with own IRQ
1519  *		 registers and which have a main IRQ registers indicating
1520  *		 sub-irq blocks with unhandled interrupts. For such chips fill
1521  *		 sub-irq register information in status_base, mask_base and
1525  * @sub_reg_offsets: arrays of mappings from main register bits to sub irq
1531  *		     1.st bit to 1.st sub-reg, 2.nd bit to 2.nd sub-reg, ...
1532  * @num_main_regs: Number of 'main status' irq registers for chips which have
1543  * @config_base: Base address for IRQ type config regs. If null unsupported.
1556  * @clear_ack:  Use this to set 1 and 0 or vice-versa to clear interrupts.
1559  * @type_in_mask: Use the mask registers for controlling irq type. Use this if
1563  *		  to define the mask bit for each irq type.
1582  * @handle_mask_sync: Callback used to handle IRQ mask syncs. The index will be
1583  *		      in the range [0, num_regs)
1584  * @set_type_config: Callback used for configuring irq types.
1588  *		 The index will be in the range [0, num_main_regs[ for the
1592  * @irq_drv_data:    Driver specific IRQ data which is passed as parameter when
1652 int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags,
1656 			       struct regmap *map, int irq,
1660 void regmap_del_irq_chip(int irq, struct regmap_irq_chip_data *data);
1662 int devm_regmap_add_irq_chip(struct device *dev, struct regmap *map, int irq,
1668 				    struct regmap *map, int irq,
1672 void devm_regmap_del_irq_chip(struct device *dev, int irq,
1676 int regmap_irq_get_virq(struct regmap_irq_chip_data *data, int irq);
1692 	return -EINVAL;  in regmap_write()
1699 	return -EINVAL;  in regmap_write_async()
1706 	return -EINVAL;  in regmap_raw_write()
1713 	return -EINVAL;  in regmap_raw_write_async()
1720 	return -EINVAL;  in regmap_noinc_write()
1727 	return -EINVAL;  in regmap_bulk_write()
1734 	return -EINVAL;  in regmap_read()
1741 	return -EINVAL;  in regmap_raw_read()
1748 	return -EINVAL;  in regmap_noinc_read()
1755 	return -EINVAL;  in regmap_bulk_read()
1763 	return -EINVAL;  in regmap_update_bits_base()
1770 	return -EINVAL;  in regmap_set_bits()
1777 	return -EINVAL;  in regmap_clear_bits()
1784 	return -EINVAL;  in regmap_test_bits()
1792 	return -EINVAL;  in regmap_field_update_bits_base()
1801 	return -EINVAL;  in regmap_fields_update_bits_base()
1808 	return -EINVAL;  in regmap_update_bits()
1815 	return -EINVAL;  in regmap_update_bits_async()
1823 	return -EINVAL;  in regmap_update_bits_check()
1832 	return -EINVAL;  in regmap_update_bits_check_async()
1839 	return -EINVAL;  in regmap_write_bits()
1846 	return -EINVAL;  in regmap_field_write()
1853 	return -EINVAL;  in regmap_field_force_write()
1860 	return -EINVAL;  in regmap_field_update_bits()
1868 	return -EINVAL;  in regmap_field_force_update_bits()
1875 	return -EINVAL;  in regmap_field_set_bits()
1882 	return -EINVAL;  in regmap_field_clear_bits()
1889 	return -EINVAL;  in regmap_field_test_bits()
1896 	return -EINVAL;  in regmap_fields_write()
1903 	return -EINVAL;  in regmap_fields_force_write()
1911 	return -EINVAL;  in regmap_fields_update_bits()
1919 	return -EINVAL;  in regmap_fields_force_update_bits()
1925 	return -EINVAL;  in regmap_get_val_bytes()
1931 	return -EINVAL;  in regmap_get_max_register()
1937 	return -EINVAL;  in regmap_get_reg_stride()
1949 	return -EINVAL;  in regcache_sync()
1956 	return -EINVAL;  in regcache_sync_region()
1963 	return -EINVAL;  in regcache_drop_region()
1991 	return -EINVAL;  in regmap_register_patch()
1998 	return -EINVAL;  in regmap_parse_val()