Lines Matching +full:bus +full:- +full:range
1 // SPDX-License-Identifier: GPL-2.0
38 return (map->dev && strcmp(dev_name(map->dev), LOG_DEVICE) == 0); in regmap_should_log()
78 if (regmap_reg_in_ranges(reg, table->no_ranges, table->n_no_ranges)) in regmap_check_range_table()
82 if (!table->n_yes_ranges) in regmap_check_range_table()
85 return regmap_reg_in_ranges(reg, table->yes_ranges, in regmap_check_range_table()
86 table->n_yes_ranges); in regmap_check_range_table()
92 if (map->max_register && reg > map->max_register) in regmap_writeable()
95 if (map->writeable_reg) in regmap_writeable()
96 return map->writeable_reg(map->dev, reg); in regmap_writeable()
98 if (map->wr_table) in regmap_writeable()
99 return regmap_check_range_table(map, reg, map->wr_table); in regmap_writeable()
109 if (map->cache_type == REGCACHE_NONE) in regmap_cached()
112 if (!map->cache_ops) in regmap_cached()
115 if (map->max_register && reg > map->max_register) in regmap_cached()
118 map->lock(map->lock_arg); in regmap_cached()
120 map->unlock(map->lock_arg); in regmap_cached()
129 if (!map->reg_read) in regmap_readable()
132 if (map->max_register && reg > map->max_register) in regmap_readable()
135 if (map->format.format_write) in regmap_readable()
138 if (map->readable_reg) in regmap_readable()
139 return map->readable_reg(map->dev, reg); in regmap_readable()
141 if (map->rd_table) in regmap_readable()
142 return regmap_check_range_table(map, reg, map->rd_table); in regmap_readable()
149 if (!map->format.format_write && !regmap_readable(map, reg)) in regmap_volatile()
152 if (map->volatile_reg) in regmap_volatile()
153 return map->volatile_reg(map->dev, reg); in regmap_volatile()
155 if (map->volatile_table) in regmap_volatile()
156 return regmap_check_range_table(map, reg, map->volatile_table); in regmap_volatile()
158 if (map->cache_ops) in regmap_volatile()
169 if (map->precious_reg) in regmap_precious()
170 return map->precious_reg(map->dev, reg); in regmap_precious()
172 if (map->precious_table) in regmap_precious()
173 return regmap_check_range_table(map, reg, map->precious_table); in regmap_precious()
180 if (map->writeable_noinc_reg) in regmap_writeable_noinc()
181 return map->writeable_noinc_reg(map->dev, reg); in regmap_writeable_noinc()
183 if (map->wr_noinc_table) in regmap_writeable_noinc()
184 return regmap_check_range_table(map, reg, map->wr_noinc_table); in regmap_writeable_noinc()
191 if (map->readable_noinc_reg) in regmap_readable_noinc()
192 return map->readable_noinc_reg(map->dev, reg); in regmap_readable_noinc()
194 if (map->rd_noinc_table) in regmap_readable_noinc()
195 return regmap_check_range_table(map, reg, map->rd_noinc_table); in regmap_readable_noinc()
215 u8 *out = map->work_buf; in regmap_format_12_20_write()
227 u8 *out = map->work_buf; in regmap_format_2_6_write()
235 __be16 *out = map->work_buf; in regmap_format_4_12_write()
242 __be16 *out = map->work_buf; in regmap_format_7_9_write()
249 u8 *out = map->work_buf; in regmap_format_10_14_write()
453 hwspin_lock_timeout(map->hwlock, UINT_MAX); in regmap_lock_hwlock()
460 hwspin_lock_timeout_irq(map->hwlock, UINT_MAX); in regmap_lock_hwlock_irq()
467 hwspin_lock_timeout_irqsave(map->hwlock, UINT_MAX, in regmap_lock_hwlock_irqsave()
468 &map->spinlock_flags); in regmap_lock_hwlock_irqsave()
475 hwspin_unlock(map->hwlock); in regmap_unlock_hwlock()
482 hwspin_unlock_irq(map->hwlock); in regmap_unlock_hwlock_irq()
489 hwspin_unlock_irqrestore(map->hwlock, &map->spinlock_flags); in regmap_unlock_hwlock_irqrestore()
500 mutex_lock(&map->mutex); in regmap_lock_mutex()
506 mutex_unlock(&map->mutex); in regmap_unlock_mutex()
510 __acquires(&map->spinlock) in regmap_lock_spinlock()
515 spin_lock_irqsave(&map->spinlock, flags); in regmap_lock_spinlock()
516 map->spinlock_flags = flags; in regmap_lock_spinlock()
520 __releases(&map->spinlock) in regmap_unlock_spinlock()
523 spin_unlock_irqrestore(&map->spinlock, map->spinlock_flags); in regmap_unlock_spinlock()
538 struct rb_root *root = &map->range_tree; in _regmap_range_add()
539 struct rb_node **new = &(root->rb_node), *parent = NULL; in _regmap_range_add()
546 if (data->range_max < this->range_min) in _regmap_range_add()
547 new = &((*new)->rb_left); in _regmap_range_add()
548 else if (data->range_min > this->range_max) in _regmap_range_add()
549 new = &((*new)->rb_right); in _regmap_range_add()
554 rb_link_node(&data->node, parent, new); in _regmap_range_add()
555 rb_insert_color(&data->node, root); in _regmap_range_add()
563 struct rb_node *node = map->range_tree.rb_node; in _regmap_range_lookup()
569 if (reg < this->range_min) in _regmap_range_lookup()
570 node = node->rb_left; in _regmap_range_lookup()
571 else if (reg > this->range_max) in _regmap_range_lookup()
572 node = node->rb_right; in _regmap_range_lookup()
585 next = rb_first(&map->range_tree); in regmap_range_exit()
588 next = rb_next(&range_node->node); in regmap_range_exit()
589 rb_erase(&range_node->node, &map->range_tree); in regmap_range_exit()
593 kfree(map->selector_work_buf); in regmap_range_exit()
598 if (config->name) { in regmap_set_name()
599 const char *name = kstrdup_const(config->name, GFP_KERNEL); in regmap_set_name()
602 return -ENOMEM; in regmap_set_name()
604 kfree_const(map->name); in regmap_set_name()
605 map->name = name; in regmap_set_name()
617 map->dev = dev; in regmap_attach_dev()
630 return -ENOMEM; in regmap_attach_dev()
639 static enum regmap_endian regmap_get_reg_endian(const struct regmap_bus *bus, in regmap_get_reg_endian() argument
645 endian = config->reg_format_endian; in regmap_get_reg_endian()
647 /* If the regmap config specified a non-default value, use that */ in regmap_get_reg_endian()
651 /* Retrieve the endianness specification from the bus config */ in regmap_get_reg_endian()
652 if (bus && bus->reg_format_endian_default) in regmap_get_reg_endian()
653 endian = bus->reg_format_endian_default; in regmap_get_reg_endian()
655 /* If the bus specified a non-default value, use that */ in regmap_get_reg_endian()
664 const struct regmap_bus *bus, in regmap_get_val_endian() argument
671 endian = config->val_format_endian; in regmap_get_val_endian()
673 /* If the regmap config specified a non-default value, use that */ in regmap_get_val_endian()
678 if (fwnode_property_read_bool(fwnode, "big-endian")) in regmap_get_val_endian()
680 else if (fwnode_property_read_bool(fwnode, "little-endian")) in regmap_get_val_endian()
682 else if (fwnode_property_read_bool(fwnode, "native-endian")) in regmap_get_val_endian()
689 /* Retrieve the endianness specification from the bus config */ in regmap_get_val_endian()
690 if (bus && bus->val_format_endian_default) in regmap_get_val_endian()
691 endian = bus->val_format_endian_default; in regmap_get_val_endian()
693 /* If the bus specified a non-default value, use that */ in regmap_get_val_endian()
703 const struct regmap_bus *bus, in __regmap_init() argument
710 int ret = -EINVAL; in __regmap_init()
719 ret = -ENOMEM; in __regmap_init()
727 ret = -EINVAL; /* Later error paths rely on this */ in __regmap_init()
729 if (config->disable_locking) { in __regmap_init()
730 map->lock = map->unlock = regmap_lock_unlock_none; in __regmap_init()
731 map->can_sleep = config->can_sleep; in __regmap_init()
733 } else if (config->lock && config->unlock) { in __regmap_init()
734 map->lock = config->lock; in __regmap_init()
735 map->unlock = config->unlock; in __regmap_init()
736 map->lock_arg = config->lock_arg; in __regmap_init()
737 map->can_sleep = config->can_sleep; in __regmap_init()
738 } else if (config->use_hwlock) { in __regmap_init()
739 map->hwlock = hwspin_lock_request_specific(config->hwlock_id); in __regmap_init()
740 if (!map->hwlock) { in __regmap_init()
741 ret = -ENXIO; in __regmap_init()
745 switch (config->hwlock_mode) { in __regmap_init()
747 map->lock = regmap_lock_hwlock_irqsave; in __regmap_init()
748 map->unlock = regmap_unlock_hwlock_irqrestore; in __regmap_init()
751 map->lock = regmap_lock_hwlock_irq; in __regmap_init()
752 map->unlock = regmap_unlock_hwlock_irq; in __regmap_init()
755 map->lock = regmap_lock_hwlock; in __regmap_init()
756 map->unlock = regmap_unlock_hwlock; in __regmap_init()
760 map->lock_arg = map; in __regmap_init()
762 if ((bus && bus->fast_io) || in __regmap_init()
763 config->fast_io) { in __regmap_init()
764 spin_lock_init(&map->spinlock); in __regmap_init()
765 map->lock = regmap_lock_spinlock; in __regmap_init()
766 map->unlock = regmap_unlock_spinlock; in __regmap_init()
767 lockdep_set_class_and_name(&map->spinlock, in __regmap_init()
770 mutex_init(&map->mutex); in __regmap_init()
771 map->lock = regmap_lock_mutex; in __regmap_init()
772 map->unlock = regmap_unlock_mutex; in __regmap_init()
773 map->can_sleep = true; in __regmap_init()
774 lockdep_set_class_and_name(&map->mutex, in __regmap_init()
777 map->lock_arg = map; in __regmap_init()
781 * When we write in fast-paths with regmap_bulk_write() don't allocate in __regmap_init()
784 if ((bus && bus->fast_io) || config->fast_io) in __regmap_init()
785 map->alloc_flags = GFP_ATOMIC; in __regmap_init()
787 map->alloc_flags = GFP_KERNEL; in __regmap_init()
789 map->format.reg_bytes = DIV_ROUND_UP(config->reg_bits, 8); in __regmap_init()
790 map->format.pad_bytes = config->pad_bits / 8; in __regmap_init()
791 map->format.val_bytes = DIV_ROUND_UP(config->val_bits, 8); in __regmap_init()
792 map->format.buf_size = DIV_ROUND_UP(config->reg_bits + in __regmap_init()
793 config->val_bits + config->pad_bits, 8); in __regmap_init()
794 map->reg_shift = config->pad_bits % 8; in __regmap_init()
795 if (config->reg_stride) in __regmap_init()
796 map->reg_stride = config->reg_stride; in __regmap_init()
798 map->reg_stride = 1; in __regmap_init()
799 if (is_power_of_2(map->reg_stride)) in __regmap_init()
800 map->reg_stride_order = ilog2(map->reg_stride); in __regmap_init()
802 map->reg_stride_order = -1; in __regmap_init()
803 map->use_single_read = config->use_single_read || !bus || !bus->read; in __regmap_init()
804 map->use_single_write = config->use_single_write || !bus || !bus->write; in __regmap_init()
805 map->can_multi_write = config->can_multi_write && bus && bus->write; in __regmap_init()
806 if (bus) { in __regmap_init()
807 map->max_raw_read = bus->max_raw_read; in __regmap_init()
808 map->max_raw_write = bus->max_raw_write; in __regmap_init()
810 map->dev = dev; in __regmap_init()
811 map->bus = bus; in __regmap_init()
812 map->bus_context = bus_context; in __regmap_init()
813 map->max_register = config->max_register; in __regmap_init()
814 map->wr_table = config->wr_table; in __regmap_init()
815 map->rd_table = config->rd_table; in __regmap_init()
816 map->volatile_table = config->volatile_table; in __regmap_init()
817 map->precious_table = config->precious_table; in __regmap_init()
818 map->wr_noinc_table = config->wr_noinc_table; in __regmap_init()
819 map->rd_noinc_table = config->rd_noinc_table; in __regmap_init()
820 map->writeable_reg = config->writeable_reg; in __regmap_init()
821 map->readable_reg = config->readable_reg; in __regmap_init()
822 map->volatile_reg = config->volatile_reg; in __regmap_init()
823 map->precious_reg = config->precious_reg; in __regmap_init()
824 map->writeable_noinc_reg = config->writeable_noinc_reg; in __regmap_init()
825 map->readable_noinc_reg = config->readable_noinc_reg; in __regmap_init()
826 map->cache_type = config->cache_type; in __regmap_init()
828 spin_lock_init(&map->async_lock); in __regmap_init()
829 INIT_LIST_HEAD(&map->async_list); in __regmap_init()
830 INIT_LIST_HEAD(&map->async_free); in __regmap_init()
831 init_waitqueue_head(&map->async_waitq); in __regmap_init()
833 if (config->read_flag_mask || in __regmap_init()
834 config->write_flag_mask || in __regmap_init()
835 config->zero_flag_mask) { in __regmap_init()
836 map->read_flag_mask = config->read_flag_mask; in __regmap_init()
837 map->write_flag_mask = config->write_flag_mask; in __regmap_init()
838 } else if (bus) { in __regmap_init()
839 map->read_flag_mask = bus->read_flag_mask; in __regmap_init()
842 if (!bus) { in __regmap_init()
843 map->reg_read = config->reg_read; in __regmap_init()
844 map->reg_write = config->reg_write; in __regmap_init()
846 map->defer_caching = false; in __regmap_init()
848 } else if (!bus->read || !bus->write) { in __regmap_init()
849 map->reg_read = _regmap_bus_reg_read; in __regmap_init()
850 map->reg_write = _regmap_bus_reg_write; in __regmap_init()
851 map->reg_update_bits = bus->reg_update_bits; in __regmap_init()
853 map->defer_caching = false; in __regmap_init()
856 map->reg_read = _regmap_bus_read; in __regmap_init()
857 map->reg_update_bits = bus->reg_update_bits; in __regmap_init()
860 reg_endian = regmap_get_reg_endian(bus, config); in __regmap_init()
861 val_endian = regmap_get_val_endian(dev, bus, config); in __regmap_init()
863 switch (config->reg_bits + map->reg_shift) { in __regmap_init()
865 switch (config->val_bits) { in __regmap_init()
867 map->format.format_write = regmap_format_2_6_write; in __regmap_init()
875 switch (config->val_bits) { in __regmap_init()
877 map->format.format_write = regmap_format_4_12_write; in __regmap_init()
885 switch (config->val_bits) { in __regmap_init()
887 map->format.format_write = regmap_format_7_9_write; in __regmap_init()
895 switch (config->val_bits) { in __regmap_init()
897 map->format.format_write = regmap_format_10_14_write; in __regmap_init()
905 switch (config->val_bits) { in __regmap_init()
907 map->format.format_write = regmap_format_12_20_write; in __regmap_init()
915 map->format.format_reg = regmap_format_8; in __regmap_init()
921 map->format.format_reg = regmap_format_16_be; in __regmap_init()
924 map->format.format_reg = regmap_format_16_le; in __regmap_init()
927 map->format.format_reg = regmap_format_16_native; in __regmap_init()
937 map->format.format_reg = regmap_format_24; in __regmap_init()
943 map->format.format_reg = regmap_format_32_be; in __regmap_init()
946 map->format.format_reg = regmap_format_32_le; in __regmap_init()
949 map->format.format_reg = regmap_format_32_native; in __regmap_init()
960 map->format.format_reg = regmap_format_64_be; in __regmap_init()
963 map->format.format_reg = regmap_format_64_le; in __regmap_init()
966 map->format.format_reg = regmap_format_64_native; in __regmap_init()
979 map->format.parse_inplace = regmap_parse_inplace_noop; in __regmap_init()
981 switch (config->val_bits) { in __regmap_init()
983 map->format.format_val = regmap_format_8; in __regmap_init()
984 map->format.parse_val = regmap_parse_8; in __regmap_init()
985 map->format.parse_inplace = regmap_parse_inplace_noop; in __regmap_init()
990 map->format.format_val = regmap_format_16_be; in __regmap_init()
991 map->format.parse_val = regmap_parse_16_be; in __regmap_init()
992 map->format.parse_inplace = regmap_parse_16_be_inplace; in __regmap_init()
995 map->format.format_val = regmap_format_16_le; in __regmap_init()
996 map->format.parse_val = regmap_parse_16_le; in __regmap_init()
997 map->format.parse_inplace = regmap_parse_16_le_inplace; in __regmap_init()
1000 map->format.format_val = regmap_format_16_native; in __regmap_init()
1001 map->format.parse_val = regmap_parse_16_native; in __regmap_init()
1010 map->format.format_val = regmap_format_24; in __regmap_init()
1011 map->format.parse_val = regmap_parse_24; in __regmap_init()
1016 map->format.format_val = regmap_format_32_be; in __regmap_init()
1017 map->format.parse_val = regmap_parse_32_be; in __regmap_init()
1018 map->format.parse_inplace = regmap_parse_32_be_inplace; in __regmap_init()
1021 map->format.format_val = regmap_format_32_le; in __regmap_init()
1022 map->format.parse_val = regmap_parse_32_le; in __regmap_init()
1023 map->format.parse_inplace = regmap_parse_32_le_inplace; in __regmap_init()
1026 map->format.format_val = regmap_format_32_native; in __regmap_init()
1027 map->format.parse_val = regmap_parse_32_native; in __regmap_init()
1037 map->format.format_val = regmap_format_64_be; in __regmap_init()
1038 map->format.parse_val = regmap_parse_64_be; in __regmap_init()
1039 map->format.parse_inplace = regmap_parse_64_be_inplace; in __regmap_init()
1042 map->format.format_val = regmap_format_64_le; in __regmap_init()
1043 map->format.parse_val = regmap_parse_64_le; in __regmap_init()
1044 map->format.parse_inplace = regmap_parse_64_le_inplace; in __regmap_init()
1047 map->format.format_val = regmap_format_64_native; in __regmap_init()
1048 map->format.parse_val = regmap_parse_64_native; in __regmap_init()
1057 if (map->format.format_write) { in __regmap_init()
1061 map->use_single_write = true; in __regmap_init()
1064 if (!map->format.format_write && in __regmap_init()
1065 !(map->format.format_reg && map->format.format_val)) in __regmap_init()
1068 map->work_buf = kzalloc(map->format.buf_size, GFP_KERNEL); in __regmap_init()
1069 if (map->work_buf == NULL) { in __regmap_init()
1070 ret = -ENOMEM; in __regmap_init()
1074 if (map->format.format_write) { in __regmap_init()
1075 map->defer_caching = false; in __regmap_init()
1076 map->reg_write = _regmap_bus_formatted_write; in __regmap_init()
1077 } else if (map->format.format_val) { in __regmap_init()
1078 map->defer_caching = true; in __regmap_init()
1079 map->reg_write = _regmap_bus_raw_write; in __regmap_init()
1084 map->range_tree = RB_ROOT; in __regmap_init()
1085 for (i = 0; i < config->num_ranges; i++) { in __regmap_init()
1086 const struct regmap_range_cfg *range_cfg = &config->ranges[i]; in __regmap_init()
1090 if (range_cfg->range_max < range_cfg->range_min) { in __regmap_init()
1091 dev_err(map->dev, "Invalid range %d: %d < %d\n", i, in __regmap_init()
1092 range_cfg->range_max, range_cfg->range_min); in __regmap_init()
1096 if (range_cfg->range_max > map->max_register) { in __regmap_init()
1097 dev_err(map->dev, "Invalid range %d: %d > %d\n", i, in __regmap_init()
1098 range_cfg->range_max, map->max_register); in __regmap_init()
1102 if (range_cfg->selector_reg > map->max_register) { in __regmap_init()
1103 dev_err(map->dev, in __regmap_init()
1104 "Invalid range %d: selector out of map\n", i); in __regmap_init()
1108 if (range_cfg->window_len == 0) { in __regmap_init()
1109 dev_err(map->dev, "Invalid range %d: window_len 0\n", in __regmap_init()
1114 /* Make sure, that this register range has no selector in __regmap_init()
1116 for (j = 0; j < config->num_ranges; j++) { in __regmap_init()
1117 unsigned sel_reg = config->ranges[j].selector_reg; in __regmap_init()
1118 unsigned win_min = config->ranges[j].window_start; in __regmap_init()
1120 config->ranges[j].window_len - 1; in __regmap_init()
1122 /* Allow data window inside its own virtual range */ in __regmap_init()
1126 if (range_cfg->range_min <= sel_reg && in __regmap_init()
1127 sel_reg <= range_cfg->range_max) { in __regmap_init()
1128 dev_err(map->dev, in __regmap_init()
1129 "Range %d: selector for %d in window\n", in __regmap_init()
1134 if (!(win_max < range_cfg->range_min || in __regmap_init()
1135 win_min > range_cfg->range_max)) { in __regmap_init()
1136 dev_err(map->dev, in __regmap_init()
1137 "Range %d: window for %d in window\n", in __regmap_init()
1145 ret = -ENOMEM; in __regmap_init()
1149 new->map = map; in __regmap_init()
1150 new->name = range_cfg->name; in __regmap_init()
1151 new->range_min = range_cfg->range_min; in __regmap_init()
1152 new->range_max = range_cfg->range_max; in __regmap_init()
1153 new->selector_reg = range_cfg->selector_reg; in __regmap_init()
1154 new->selector_mask = range_cfg->selector_mask; in __regmap_init()
1155 new->selector_shift = range_cfg->selector_shift; in __regmap_init()
1156 new->window_start = range_cfg->window_start; in __regmap_init()
1157 new->window_len = range_cfg->window_len; in __regmap_init()
1160 dev_err(map->dev, "Failed to add range %d\n", i); in __regmap_init()
1165 if (map->selector_work_buf == NULL) { in __regmap_init()
1166 map->selector_work_buf = in __regmap_init()
1167 kzalloc(map->format.buf_size, GFP_KERNEL); in __regmap_init()
1168 if (map->selector_work_buf == NULL) { in __regmap_init()
1169 ret = -ENOMEM; in __regmap_init()
1193 kfree(map->work_buf); in __regmap_init()
1195 if (map->hwlock) in __regmap_init()
1196 hwspin_lock_free(map->hwlock); in __regmap_init()
1198 kfree_const(map->name); in __regmap_init()
1212 const struct regmap_bus *bus, in __devm_regmap_init() argument
1222 return ERR_PTR(-ENOMEM); in __devm_regmap_init()
1224 regmap = __regmap_init(dev, bus, bus_context, config, in __devm_regmap_init()
1240 rm_field->regmap = regmap; in regmap_field_init()
1241 rm_field->reg = reg_field.reg; in regmap_field_init()
1242 rm_field->shift = reg_field.lsb; in regmap_field_init()
1243 rm_field->mask = GENMASK(reg_field.msb, reg_field.lsb); in regmap_field_init()
1244 rm_field->id_size = reg_field.id_size; in regmap_field_init()
1245 rm_field->id_offset = reg_field.id_offset; in regmap_field_init()
1249 * devm_regmap_field_alloc() - Allocate and initialise a register field.
1265 return ERR_PTR(-ENOMEM); in devm_regmap_field_alloc()
1276 * regmap_field_bulk_alloc() - Allocate and initialise a bulk register field.
1283 * The return value will be an -ENOMEM on error or zero for success.
1297 return -ENOMEM; in regmap_field_bulk_alloc()
1309 * devm_regmap_field_bulk_alloc() - Allocate and initialise a bulk register
1318 * The return value will be an -ENOMEM on error or zero for success.
1333 return -ENOMEM; in devm_regmap_field_bulk_alloc()
1345 * regmap_field_bulk_free() - Free register field allocated using
1357 * devm_regmap_field_bulk_free() - Free a bulk register field allocated using
1365 * will be freed as per device-driver life-cycle.
1375 * devm_regmap_field_free() - Free a register field allocated using
1383 * will be freed as per device-driver life-cyle.
1393 * regmap_field_alloc() - Allocate and initialise a register field.
1408 return ERR_PTR(-ENOMEM); in regmap_field_alloc()
1417 * regmap_field_free() - Free register field allocated using
1429 * regmap_reinit_cache() - Reinitialise the current register cache
1449 map->max_register = config->max_register; in regmap_reinit_cache()
1450 map->writeable_reg = config->writeable_reg; in regmap_reinit_cache()
1451 map->readable_reg = config->readable_reg; in regmap_reinit_cache()
1452 map->volatile_reg = config->volatile_reg; in regmap_reinit_cache()
1453 map->precious_reg = config->precious_reg; in regmap_reinit_cache()
1454 map->writeable_noinc_reg = config->writeable_noinc_reg; in regmap_reinit_cache()
1455 map->readable_noinc_reg = config->readable_noinc_reg; in regmap_reinit_cache()
1456 map->cache_type = config->cache_type; in regmap_reinit_cache()
1464 map->cache_bypass = false; in regmap_reinit_cache()
1465 map->cache_only = false; in regmap_reinit_cache()
1472 * regmap_exit() - Free a previously allocated register map
1483 if (map->bus && map->bus->free_context) in regmap_exit()
1484 map->bus->free_context(map->bus_context); in regmap_exit()
1485 kfree(map->work_buf); in regmap_exit()
1486 while (!list_empty(&map->async_free)) { in regmap_exit()
1487 async = list_first_entry_or_null(&map->async_free, in regmap_exit()
1490 list_del(&async->list); in regmap_exit()
1491 kfree(async->work_buf); in regmap_exit()
1494 if (map->hwlock) in regmap_exit()
1495 hwspin_lock_free(map->hwlock); in regmap_exit()
1496 if (map->lock == regmap_lock_mutex) in regmap_exit()
1497 mutex_destroy(&map->mutex); in regmap_exit()
1498 kfree_const(map->name); in regmap_exit()
1499 kfree(map->patch); in regmap_exit()
1514 return !strcmp((*r)->name, data); in dev_get_regmap_match()
1520 * dev_get_regmap() - Obtain the regmap (if any) for a device
1543 * regmap_get_device() - Obtain the device from a regmap
1551 return map->dev; in regmap_get_device()
1556 struct regmap_range_node *range, in _regmap_select_page() argument
1565 win_offset = (*reg - range->range_min) % range->window_len; in _regmap_select_page()
1566 win_page = (*reg - range->range_min) / range->window_len; in _regmap_select_page()
1569 /* Bulk write shouldn't cross range boundary */ in _regmap_select_page()
1570 if (*reg + val_num - 1 > range->range_max) in _regmap_select_page()
1571 return -EINVAL; in _regmap_select_page()
1574 if (val_num > range->window_len - win_offset) in _regmap_select_page()
1575 return -EINVAL; in _regmap_select_page()
1582 range->window_start + win_offset != range->selector_reg) { in _regmap_select_page()
1584 orig_work_buf = map->work_buf; in _regmap_select_page()
1585 map->work_buf = map->selector_work_buf; in _regmap_select_page()
1587 ret = _regmap_update_bits(map, range->selector_reg, in _regmap_select_page()
1588 range->selector_mask, in _regmap_select_page()
1589 win_page << range->selector_shift, in _regmap_select_page()
1592 map->work_buf = orig_work_buf; in _regmap_select_page()
1598 *reg = range->window_start + win_offset; in _regmap_select_page()
1609 if (!mask || !map->work_buf) in regmap_set_work_buf_flag_mask()
1612 buf = map->work_buf; in regmap_set_work_buf_flag_mask()
1621 struct regmap_range_node *range; in _regmap_raw_write_impl() local
1623 void *work_val = map->work_buf + map->format.reg_bytes + in _regmap_raw_write_impl()
1624 map->format.pad_bytes; in _regmap_raw_write_impl()
1626 int ret = -ENOTSUPP; in _regmap_raw_write_impl()
1630 WARN_ON(!map->bus); in _regmap_raw_write_impl()
1632 /* Check for unwritable or noinc registers in range in _regmap_raw_write_impl()
1636 for (i = 0; i < val_len / map->format.val_bytes; i++) { in _regmap_raw_write_impl()
1641 return -EINVAL; in _regmap_raw_write_impl()
1645 if (!map->cache_bypass && map->format.parse_val) { in _regmap_raw_write_impl()
1647 int val_bytes = map->format.val_bytes; in _regmap_raw_write_impl()
1649 ival = map->format.parse_val(val + (i * val_bytes)); in _regmap_raw_write_impl()
1654 dev_err(map->dev, in _regmap_raw_write_impl()
1660 if (map->cache_only) { in _regmap_raw_write_impl()
1661 map->cache_dirty = true; in _regmap_raw_write_impl()
1666 range = _regmap_range_lookup(map, reg); in _regmap_raw_write_impl()
1667 if (range) { in _regmap_raw_write_impl()
1668 int val_num = val_len / map->format.val_bytes; in _regmap_raw_write_impl()
1669 int win_offset = (reg - range->range_min) % range->window_len; in _regmap_raw_write_impl()
1670 int win_residue = range->window_len - win_offset; in _regmap_raw_write_impl()
1674 dev_dbg(map->dev, "Writing window %d/%zu\n", in _regmap_raw_write_impl()
1675 win_residue, val_len / map->format.val_bytes); in _regmap_raw_write_impl()
1678 map->format.val_bytes, noinc); in _regmap_raw_write_impl()
1683 val_num -= win_residue; in _regmap_raw_write_impl()
1684 val += win_residue * map->format.val_bytes; in _regmap_raw_write_impl()
1685 val_len -= win_residue * map->format.val_bytes; in _regmap_raw_write_impl()
1687 win_offset = (reg - range->range_min) % in _regmap_raw_write_impl()
1688 range->window_len; in _regmap_raw_write_impl()
1689 win_residue = range->window_len - win_offset; in _regmap_raw_write_impl()
1692 ret = _regmap_select_page(map, ®, range, noinc ? 1 : val_num); in _regmap_raw_write_impl()
1697 map->format.format_reg(map->work_buf, reg, map->reg_shift); in _regmap_raw_write_impl()
1698 regmap_set_work_buf_flag_mask(map, map->format.reg_bytes, in _regmap_raw_write_impl()
1699 map->write_flag_mask); in _regmap_raw_write_impl()
1706 if (val != work_val && val_len == map->format.val_bytes) { in _regmap_raw_write_impl()
1707 memcpy(work_val, val, map->format.val_bytes); in _regmap_raw_write_impl()
1711 if (map->async && map->bus->async_write) { in _regmap_raw_write_impl()
1716 spin_lock_irqsave(&map->async_lock, flags); in _regmap_raw_write_impl()
1717 async = list_first_entry_or_null(&map->async_free, in _regmap_raw_write_impl()
1721 list_del(&async->list); in _regmap_raw_write_impl()
1722 spin_unlock_irqrestore(&map->async_lock, flags); in _regmap_raw_write_impl()
1725 async = map->bus->async_alloc(); in _regmap_raw_write_impl()
1727 return -ENOMEM; in _regmap_raw_write_impl()
1729 async->work_buf = kzalloc(map->format.buf_size, in _regmap_raw_write_impl()
1731 if (!async->work_buf) { in _regmap_raw_write_impl()
1733 return -ENOMEM; in _regmap_raw_write_impl()
1737 async->map = map; in _regmap_raw_write_impl()
1740 memcpy(async->work_buf, map->work_buf, map->format.pad_bytes + in _regmap_raw_write_impl()
1741 map->format.reg_bytes + map->format.val_bytes); in _regmap_raw_write_impl()
1743 spin_lock_irqsave(&map->async_lock, flags); in _regmap_raw_write_impl()
1744 list_add_tail(&async->list, &map->async_list); in _regmap_raw_write_impl()
1745 spin_unlock_irqrestore(&map->async_lock, flags); in _regmap_raw_write_impl()
1748 ret = map->bus->async_write(map->bus_context, in _regmap_raw_write_impl()
1749 async->work_buf, in _regmap_raw_write_impl()
1750 map->format.reg_bytes + in _regmap_raw_write_impl()
1751 map->format.pad_bytes, in _regmap_raw_write_impl()
1754 ret = map->bus->async_write(map->bus_context, in _regmap_raw_write_impl()
1755 async->work_buf, in _regmap_raw_write_impl()
1756 map->format.reg_bytes + in _regmap_raw_write_impl()
1757 map->format.pad_bytes + in _regmap_raw_write_impl()
1761 dev_err(map->dev, "Failed to schedule write: %d\n", in _regmap_raw_write_impl()
1764 spin_lock_irqsave(&map->async_lock, flags); in _regmap_raw_write_impl()
1765 list_move(&async->list, &map->async_free); in _regmap_raw_write_impl()
1766 spin_unlock_irqrestore(&map->async_lock, flags); in _regmap_raw_write_impl()
1772 trace_regmap_hw_write_start(map, reg, val_len / map->format.val_bytes); in _regmap_raw_write_impl()
1779 ret = map->bus->write(map->bus_context, map->work_buf, in _regmap_raw_write_impl()
1780 map->format.reg_bytes + in _regmap_raw_write_impl()
1781 map->format.pad_bytes + in _regmap_raw_write_impl()
1783 else if (map->bus->gather_write) in _regmap_raw_write_impl()
1784 ret = map->bus->gather_write(map->bus_context, map->work_buf, in _regmap_raw_write_impl()
1785 map->format.reg_bytes + in _regmap_raw_write_impl()
1786 map->format.pad_bytes, in _regmap_raw_write_impl()
1789 ret = -ENOTSUPP; in _regmap_raw_write_impl()
1792 if (ret == -ENOTSUPP) { in _regmap_raw_write_impl()
1793 len = map->format.reg_bytes + map->format.pad_bytes + val_len; in _regmap_raw_write_impl()
1796 return -ENOMEM; in _regmap_raw_write_impl()
1798 memcpy(buf, map->work_buf, map->format.reg_bytes); in _regmap_raw_write_impl()
1799 memcpy(buf + map->format.reg_bytes + map->format.pad_bytes, in _regmap_raw_write_impl()
1801 ret = map->bus->write(map->bus_context, buf, len); in _regmap_raw_write_impl()
1804 } else if (ret != 0 && !map->cache_bypass && map->format.parse_val) { in _regmap_raw_write_impl()
1806 * thus call map->cache_ops->drop() directly in _regmap_raw_write_impl()
1808 if (map->cache_ops && map->cache_ops->drop) in _regmap_raw_write_impl()
1809 map->cache_ops->drop(map, reg, reg + 1); in _regmap_raw_write_impl()
1812 trace_regmap_hw_write_done(map, reg, val_len / map->format.val_bytes); in _regmap_raw_write_impl()
1818 * regmap_can_raw_write - Test if regmap_raw_write() is supported
1824 return map->bus && map->bus->write && map->format.format_val && in regmap_can_raw_write()
1825 map->format.format_reg; in regmap_can_raw_write()
1830 * regmap_get_raw_read_max - Get the maximum size we can read
1836 return map->max_raw_read; in regmap_get_raw_read_max()
1841 * regmap_get_raw_write_max - Get the maximum size we can read
1847 return map->max_raw_write; in regmap_get_raw_write_max()
1855 struct regmap_range_node *range; in _regmap_bus_formatted_write() local
1858 WARN_ON(!map->bus || !map->format.format_write); in _regmap_bus_formatted_write()
1860 range = _regmap_range_lookup(map, reg); in _regmap_bus_formatted_write()
1861 if (range) { in _regmap_bus_formatted_write()
1862 ret = _regmap_select_page(map, ®, range, 1); in _regmap_bus_formatted_write()
1867 map->format.format_write(map, reg, val); in _regmap_bus_formatted_write()
1871 ret = map->bus->write(map->bus_context, map->work_buf, in _regmap_bus_formatted_write()
1872 map->format.buf_size); in _regmap_bus_formatted_write()
1884 return map->bus->reg_write(map->bus_context, reg, val); in _regmap_bus_reg_write()
1892 WARN_ON(!map->bus || !map->format.format_val); in _regmap_bus_raw_write()
1894 map->format.format_val(map->work_buf + map->format.reg_bytes in _regmap_bus_raw_write()
1895 + map->format.pad_bytes, val, 0); in _regmap_bus_raw_write()
1897 map->work_buf + in _regmap_bus_raw_write()
1898 map->format.reg_bytes + in _regmap_bus_raw_write()
1899 map->format.pad_bytes, in _regmap_bus_raw_write()
1900 map->format.val_bytes, in _regmap_bus_raw_write()
1906 return (map->bus) ? map : map->bus_context; in _regmap_map_get_context()
1916 return -EIO; in _regmap_write()
1918 if (!map->cache_bypass && !map->defer_caching) { in _regmap_write()
1922 if (map->cache_only) { in _regmap_write()
1923 map->cache_dirty = true; in _regmap_write()
1929 dev_info(map->dev, "%x <= %x\n", reg, val); in _regmap_write()
1933 return map->reg_write(context, reg, val); in _regmap_write()
1937 * regmap_write() - Write a value to a single register
1950 if (!IS_ALIGNED(reg, map->reg_stride)) in regmap_write()
1951 return -EINVAL; in regmap_write()
1953 map->lock(map->lock_arg); in regmap_write()
1957 map->unlock(map->lock_arg); in regmap_write()
1964 * regmap_write_async() - Write a value to a single register asynchronously
1977 if (!IS_ALIGNED(reg, map->reg_stride)) in regmap_write_async()
1978 return -EINVAL; in regmap_write_async()
1980 map->lock(map->lock_arg); in regmap_write_async()
1982 map->async = true; in regmap_write_async()
1986 map->async = false; in regmap_write_async()
1988 map->unlock(map->lock_arg); in regmap_write_async()
1997 size_t val_bytes = map->format.val_bytes; in _regmap_raw_write()
2004 return -EINVAL; in _regmap_raw_write()
2006 if (map->use_single_write) in _regmap_raw_write()
2008 else if (map->max_raw_write && val_len > map->max_raw_write) in _regmap_raw_write()
2009 chunk_regs = map->max_raw_write / val_bytes; in _regmap_raw_write()
2022 val_len -= chunk_bytes; in _regmap_raw_write()
2033 * regmap_raw_write() - Write raw values to one or more registers
2054 return -EINVAL; in regmap_raw_write()
2055 if (val_len % map->format.val_bytes) in regmap_raw_write()
2056 return -EINVAL; in regmap_raw_write()
2058 map->lock(map->lock_arg); in regmap_raw_write()
2062 map->unlock(map->lock_arg); in regmap_raw_write()
2077 * The regmap API usually assumes that bulk bus write operations will write a
2078 * range of registers. Some devices have certain registers for which a write
2095 if (!map->bus) in regmap_noinc_write()
2096 return -EINVAL; in regmap_noinc_write()
2097 if (!map->bus->write) in regmap_noinc_write()
2098 return -ENOTSUPP; in regmap_noinc_write()
2099 if (val_len % map->format.val_bytes) in regmap_noinc_write()
2100 return -EINVAL; in regmap_noinc_write()
2101 if (!IS_ALIGNED(reg, map->reg_stride)) in regmap_noinc_write()
2102 return -EINVAL; in regmap_noinc_write()
2104 return -EINVAL; in regmap_noinc_write()
2106 map->lock(map->lock_arg); in regmap_noinc_write()
2109 ret = -EINVAL; in regmap_noinc_write()
2114 if (map->max_raw_write && map->max_raw_write < val_len) in regmap_noinc_write()
2115 write_len = map->max_raw_write; in regmap_noinc_write()
2122 val_len -= write_len; in regmap_noinc_write()
2126 map->unlock(map->lock_arg); in regmap_noinc_write()
2132 * regmap_field_update_bits_base() - Perform a read/modify/write cycle a
2152 mask = (mask << field->shift) & field->mask; in regmap_field_update_bits_base()
2154 return regmap_update_bits_base(field->regmap, field->reg, in regmap_field_update_bits_base()
2155 mask, val << field->shift, in regmap_field_update_bits_base()
2161 * regmap_fields_update_bits_base() - Perform a read/modify/write cycle a
2179 if (id >= field->id_size) in regmap_fields_update_bits_base()
2180 return -EINVAL; in regmap_fields_update_bits_base()
2182 mask = (mask << field->shift) & field->mask; in regmap_fields_update_bits_base()
2184 return regmap_update_bits_base(field->regmap, in regmap_fields_update_bits_base()
2185 field->reg + (field->id_offset * id), in regmap_fields_update_bits_base()
2186 mask, val << field->shift, in regmap_fields_update_bits_base()
2192 * regmap_bulk_write() - Write multiple registers to the device
2209 size_t val_bytes = map->format.val_bytes; in regmap_bulk_write()
2211 if (!IS_ALIGNED(reg, map->reg_stride)) in regmap_bulk_write()
2212 return -EINVAL; in regmap_bulk_write()
2218 if (!map->bus || !map->format.parse_inplace) { in regmap_bulk_write()
2219 map->lock(map->lock_arg); in regmap_bulk_write()
2239 ret = -EINVAL; in regmap_bulk_write()
2250 map->unlock(map->lock_arg); in regmap_bulk_write()
2254 wval = kmemdup(val, val_count * val_bytes, map->alloc_flags); in regmap_bulk_write()
2256 return -ENOMEM; in regmap_bulk_write()
2259 map->format.parse_inplace(wval + i); in regmap_bulk_write()
2284 size_t val_bytes = map->format.val_bytes; in _regmap_raw_multi_reg_write()
2285 size_t reg_bytes = map->format.reg_bytes; in _regmap_raw_multi_reg_write()
2286 size_t pad_bytes = map->format.pad_bytes; in _regmap_raw_multi_reg_write()
2291 return -EINVAL; in _regmap_raw_multi_reg_write()
2295 return -ENOMEM; in _regmap_raw_multi_reg_write()
2305 map->format.format_reg(u8, reg, map->reg_shift); in _regmap_raw_multi_reg_write()
2307 map->format.format_val(u8, val, 0); in _regmap_raw_multi_reg_write()
2311 *u8 |= map->write_flag_mask; in _regmap_raw_multi_reg_write()
2313 ret = map->bus->write(map->bus_context, buf, len); in _regmap_raw_multi_reg_write()
2326 struct regmap_range_node *range) in _regmap_register_page() argument
2328 unsigned int win_page = (reg - range->range_min) / range->window_len; in _regmap_register_page()
2351 struct regmap_range_node *range; in _regmap_range_multi_paged_reg_write() local
2353 range = _regmap_range_lookup(map, reg); in _regmap_range_multi_paged_reg_write()
2354 if (range) { in _regmap_range_multi_paged_reg_write()
2356 range); in _regmap_range_multi_paged_reg_write()
2387 if (map->can_sleep) in _regmap_range_multi_paged_reg_write()
2399 range, 1); in _regmap_range_multi_paged_reg_write()
2421 if (!map->can_multi_write) { in _regmap_multi_reg_write()
2428 if (map->can_sleep) in _regmap_multi_reg_write()
2437 if (!map->format.parse_inplace) in _regmap_multi_reg_write()
2438 return -EINVAL; in _regmap_multi_reg_write()
2440 if (map->writeable_reg) in _regmap_multi_reg_write()
2443 if (!map->writeable_reg(map->dev, reg)) in _regmap_multi_reg_write()
2444 return -EINVAL; in _regmap_multi_reg_write()
2445 if (!IS_ALIGNED(reg, map->reg_stride)) in _regmap_multi_reg_write()
2446 return -EINVAL; in _regmap_multi_reg_write()
2449 if (!map->cache_bypass) { in _regmap_multi_reg_write()
2455 dev_err(map->dev, in _regmap_multi_reg_write()
2461 if (map->cache_only) { in _regmap_multi_reg_write()
2462 map->cache_dirty = true; in _regmap_multi_reg_write()
2467 WARN_ON(!map->bus); in _regmap_multi_reg_write()
2471 struct regmap_range_node *range; in _regmap_multi_reg_write() local
2476 range = _regmap_range_lookup(map, reg); in _regmap_multi_reg_write()
2477 if (range || regs[i].delay_us) { in _regmap_multi_reg_write()
2482 return -ENOMEM; in _regmap_multi_reg_write()
2494 * regmap_multi_reg_write() - Write multiple registers to the device
2501 * pairs are supplied in any order, possibly not all in a single range.
2504 * target bus as R,V1,V2,V3,..,Vn where successively higher registers are
2506 * the data as R1,V1,R2,V2,..,Rn,Vn on the target bus. The target device
2517 map->lock(map->lock_arg); in regmap_multi_reg_write()
2521 map->unlock(map->lock_arg); in regmap_multi_reg_write()
2528 * regmap_multi_reg_write_bypassed() - Write multiple registers to the
2552 map->lock(map->lock_arg); in regmap_multi_reg_write_bypassed()
2554 bypass = map->cache_bypass; in regmap_multi_reg_write_bypassed()
2555 map->cache_bypass = true; in regmap_multi_reg_write_bypassed()
2559 map->cache_bypass = bypass; in regmap_multi_reg_write_bypassed()
2561 map->unlock(map->lock_arg); in regmap_multi_reg_write_bypassed()
2568 * regmap_raw_write_async() - Write raw values to one or more registers
2581 * If supported by the underlying bus the write will be scheduled
2594 if (val_len % map->format.val_bytes) in regmap_raw_write_async()
2595 return -EINVAL; in regmap_raw_write_async()
2596 if (!IS_ALIGNED(reg, map->reg_stride)) in regmap_raw_write_async()
2597 return -EINVAL; in regmap_raw_write_async()
2599 map->lock(map->lock_arg); in regmap_raw_write_async()
2601 map->async = true; in regmap_raw_write_async()
2605 map->async = false; in regmap_raw_write_async()
2607 map->unlock(map->lock_arg); in regmap_raw_write_async()
2616 struct regmap_range_node *range; in _regmap_raw_read() local
2619 WARN_ON(!map->bus); in _regmap_raw_read()
2621 if (!map->bus || !map->bus->read) in _regmap_raw_read()
2622 return -EINVAL; in _regmap_raw_read()
2624 range = _regmap_range_lookup(map, reg); in _regmap_raw_read()
2625 if (range) { in _regmap_raw_read()
2626 ret = _regmap_select_page(map, ®, range, in _regmap_raw_read()
2627 noinc ? 1 : val_len / map->format.val_bytes); in _regmap_raw_read()
2632 map->format.format_reg(map->work_buf, reg, map->reg_shift); in _regmap_raw_read()
2633 regmap_set_work_buf_flag_mask(map, map->format.reg_bytes, in _regmap_raw_read()
2634 map->read_flag_mask); in _regmap_raw_read()
2635 trace_regmap_hw_read_start(map, reg, val_len / map->format.val_bytes); in _regmap_raw_read()
2637 ret = map->bus->read(map->bus_context, map->work_buf, in _regmap_raw_read()
2638 map->format.reg_bytes + map->format.pad_bytes, in _regmap_raw_read()
2641 trace_regmap_hw_read_done(map, reg, val_len / map->format.val_bytes); in _regmap_raw_read()
2651 return map->bus->reg_read(map->bus_context, reg, val); in _regmap_bus_reg_read()
2659 void *work_val = map->work_buf + map->format.reg_bytes + in _regmap_bus_read()
2660 map->format.pad_bytes; in _regmap_bus_read()
2662 if (!map->format.parse_val) in _regmap_bus_read()
2663 return -EINVAL; in _regmap_bus_read()
2665 ret = _regmap_raw_read(map, reg, work_val, map->format.val_bytes, false); in _regmap_bus_read()
2667 *val = map->format.parse_val(work_val); in _regmap_bus_read()
2678 if (!map->cache_bypass) { in _regmap_read()
2684 if (map->cache_only) in _regmap_read()
2685 return -EBUSY; in _regmap_read()
2688 return -EIO; in _regmap_read()
2690 ret = map->reg_read(context, reg, val); in _regmap_read()
2693 dev_info(map->dev, "%x => %x\n", reg, *val); in _regmap_read()
2697 if (!map->cache_bypass) in _regmap_read()
2705 * regmap_read() - Read a value from a single register
2718 if (!IS_ALIGNED(reg, map->reg_stride)) in regmap_read()
2719 return -EINVAL; in regmap_read()
2721 map->lock(map->lock_arg); in regmap_read()
2725 map->unlock(map->lock_arg); in regmap_read()
2732 * regmap_raw_read() - Read raw data from the device
2745 size_t val_bytes = map->format.val_bytes; in regmap_raw_read()
2750 if (!map->bus) in regmap_raw_read()
2751 return -EINVAL; in regmap_raw_read()
2752 if (val_len % map->format.val_bytes) in regmap_raw_read()
2753 return -EINVAL; in regmap_raw_read()
2754 if (!IS_ALIGNED(reg, map->reg_stride)) in regmap_raw_read()
2755 return -EINVAL; in regmap_raw_read()
2757 return -EINVAL; in regmap_raw_read()
2759 map->lock(map->lock_arg); in regmap_raw_read()
2761 if (regmap_volatile_range(map, reg, val_count) || map->cache_bypass || in regmap_raw_read()
2762 map->cache_type == REGCACHE_NONE) { in regmap_raw_read()
2766 if (!map->bus->read) { in regmap_raw_read()
2767 ret = -ENOTSUPP; in regmap_raw_read()
2771 if (map->use_single_read) in regmap_raw_read()
2773 else if (map->max_raw_read && val_len > map->max_raw_read) in regmap_raw_read()
2774 chunk_regs = map->max_raw_read / val_bytes; in regmap_raw_read()
2787 val_len -= chunk_bytes; in regmap_raw_read()
2806 map->format.format_val(val + (i * val_bytes), v, 0); in regmap_raw_read()
2811 map->unlock(map->lock_arg); in regmap_raw_read()
2826 * The regmap API usually assumes that bulk bus read operations will read a
2827 * range of registers. Some devices have certain registers for which a read
2844 if (!map->bus) in regmap_noinc_read()
2845 return -EINVAL; in regmap_noinc_read()
2846 if (!map->bus->read) in regmap_noinc_read()
2847 return -ENOTSUPP; in regmap_noinc_read()
2848 if (val_len % map->format.val_bytes) in regmap_noinc_read()
2849 return -EINVAL; in regmap_noinc_read()
2850 if (!IS_ALIGNED(reg, map->reg_stride)) in regmap_noinc_read()
2851 return -EINVAL; in regmap_noinc_read()
2853 return -EINVAL; in regmap_noinc_read()
2855 map->lock(map->lock_arg); in regmap_noinc_read()
2858 ret = -EINVAL; in regmap_noinc_read()
2863 if (map->max_raw_read && map->max_raw_read < val_len) in regmap_noinc_read()
2864 read_len = map->max_raw_read; in regmap_noinc_read()
2871 val_len -= read_len; in regmap_noinc_read()
2875 map->unlock(map->lock_arg); in regmap_noinc_read()
2893 ret = regmap_read(field->regmap, field->reg, ®_val); in regmap_field_read()
2897 reg_val &= field->mask; in regmap_field_read()
2898 reg_val >>= field->shift; in regmap_field_read()
2906 * regmap_fields_read() - Read a value to a single register field with port ID
2921 if (id >= field->id_size) in regmap_fields_read()
2922 return -EINVAL; in regmap_fields_read()
2924 ret = regmap_read(field->regmap, in regmap_fields_read()
2925 field->reg + (field->id_offset * id), in regmap_fields_read()
2930 reg_val &= field->mask; in regmap_fields_read()
2931 reg_val >>= field->shift; in regmap_fields_read()
2939 * regmap_bulk_read() - Read multiple registers from the device
2953 size_t val_bytes = map->format.val_bytes; in regmap_bulk_read()
2956 if (!IS_ALIGNED(reg, map->reg_stride)) in regmap_bulk_read()
2957 return -EINVAL; in regmap_bulk_read()
2959 return -EINVAL; in regmap_bulk_read()
2961 if (map->bus && map->format.parse_inplace && (vol || map->cache_type == REGCACHE_NONE)) { in regmap_bulk_read()
2967 map->format.parse_inplace(val + i); in regmap_bulk_read()
2976 map->lock(map->lock_arg); in regmap_bulk_read()
2986 switch (map->format.val_bytes) { in regmap_bulk_read()
3002 ret = -EINVAL; in regmap_bulk_read()
3008 map->unlock(map->lock_arg); in regmap_bulk_read()
3025 if (regmap_volatile(map, reg) && map->reg_update_bits) { in _regmap_update_bits()
3026 ret = map->reg_update_bits(map->bus_context, reg, mask, val); in _regmap_update_bits()
3048 * regmap_update_bits_base() - Perform a read/modify/write cycle on a register
3075 map->lock(map->lock_arg); in regmap_update_bits_base()
3077 map->async = async; in regmap_update_bits_base()
3081 map->async = false; in regmap_update_bits_base()
3083 map->unlock(map->lock_arg); in regmap_update_bits_base()
3090 * regmap_test_bits() - Check if all specified bits are set in a register.
3114 struct regmap *map = async->map; in regmap_async_complete_cb()
3119 spin_lock(&map->async_lock); in regmap_async_complete_cb()
3120 list_move(&async->list, &map->async_free); in regmap_async_complete_cb()
3121 wake = list_empty(&map->async_list); in regmap_async_complete_cb()
3124 map->async_ret = ret; in regmap_async_complete_cb()
3126 spin_unlock(&map->async_lock); in regmap_async_complete_cb()
3129 wake_up(&map->async_waitq); in regmap_async_complete_cb()
3138 spin_lock_irqsave(&map->async_lock, flags); in regmap_async_is_done()
3139 ret = list_empty(&map->async_list); in regmap_async_is_done()
3140 spin_unlock_irqrestore(&map->async_lock, flags); in regmap_async_is_done()
3146 * regmap_async_complete - Ensure all asynchronous I/O has completed.
3159 if (!map->bus || !map->bus->async_write) in regmap_async_complete()
3164 wait_event(map->async_waitq, regmap_async_is_done(map)); in regmap_async_complete()
3166 spin_lock_irqsave(&map->async_lock, flags); in regmap_async_complete()
3167 ret = map->async_ret; in regmap_async_complete()
3168 map->async_ret = 0; in regmap_async_complete()
3169 spin_unlock_irqrestore(&map->async_lock, flags); in regmap_async_complete()
3178 * regmap_register_patch - Register and apply register updates to be applied
3205 p = krealloc(map->patch, in regmap_register_patch()
3206 sizeof(struct reg_sequence) * (map->patch_regs + num_regs), in regmap_register_patch()
3209 memcpy(p + map->patch_regs, regs, num_regs * sizeof(*regs)); in regmap_register_patch()
3210 map->patch = p; in regmap_register_patch()
3211 map->patch_regs += num_regs; in regmap_register_patch()
3213 return -ENOMEM; in regmap_register_patch()
3216 map->lock(map->lock_arg); in regmap_register_patch()
3218 bypass = map->cache_bypass; in regmap_register_patch()
3220 map->cache_bypass = true; in regmap_register_patch()
3221 map->async = true; in regmap_register_patch()
3225 map->async = false; in regmap_register_patch()
3226 map->cache_bypass = bypass; in regmap_register_patch()
3228 map->unlock(map->lock_arg); in regmap_register_patch()
3237 * regmap_get_val_bytes() - Report the size of a register value
3246 if (map->format.format_write) in regmap_get_val_bytes()
3247 return -EINVAL; in regmap_get_val_bytes()
3249 return map->format.val_bytes; in regmap_get_val_bytes()
3254 * regmap_get_max_register() - Report the max register value
3263 return map->max_register ? map->max_register : -EINVAL; in regmap_get_max_register()
3268 * regmap_get_reg_stride() - Report the register address stride
3277 return map->reg_stride; in regmap_get_reg_stride()
3284 if (!map->format.parse_val) in regmap_parse_val()
3285 return -EINVAL; in regmap_parse_val()
3287 *val = map->format.parse_val(buf); in regmap_parse_val()